is_a_helper< T > Struct Template Reference

#include <is-a.h>

Inheritance diagram for is_a_helper< T >:

Collaboration diagram for is_a_helper< T >:

Public Member Functions
bool	test (symtab_node *p)
bool	test (symtab_node *p)
bool	test (id_base *id)
bool	test (id_base *id)
bool	test (id_base *id)
bool	test (id_base *id)
bool	test (operand *op)
bool	test (operand *op)
bool	test (operand *op)
bool	test (operand *op)
bool	test (operand *op)
bool	test (operand *op)
bool	test (dt_node *n)
bool	test (dt_node *n)
bool	test (gimple *gs)
bool	test (gimple *gs)
bool	test (const gimple *gs)
bool	test (gimple *gs)
bool	test (gimple *gs)
bool	test (gimple *gs)
bool	test (gimple *gs)
bool	test (const gimple *gs)
bool	test (gimple *gs)
bool	test (const gimple *gs)
bool	test (gimple *gs)
bool	test (const gimple *gs)
bool	test (gimple *gs)
bool	test (const gimple *gs)
bool	test (gimple *gs)
bool	test (gimple *gs)
bool	test (gimple *gs)
bool	test (const gimple *gs)
bool	test (gimple *gs)
bool	test (gimple *gs)
bool	test (const gimple *gs)
bool	test (gimple *gs)
bool	test (gimple *gs)
bool	test (gimple *gs)
bool	test (gimple *gs)
bool	test (gimple *gs)
bool	test (gimple *gs)
bool	test (gimple *gs)
bool	test (gimple *gs)
bool	test (gimple *gs)
bool	test (gimple *gs)
bool	test (gimple *gs)
bool	test (gimple *gs)
bool	test (gimple *gs)
bool	test (gimple *gs)
bool	test (gimple *gs)
bool	test (gimple *gs)
bool	test (gimple *gs)
bool	test (gimple *gs)
bool	test (const gimple *gs)
bool	test (gimple *gs)
bool	test (gimple *gs)
bool	test (gimple *gs)
bool	test (const gimple *gs)
bool	test (gimple *gs)
bool	test (const gimple *gs)
bool	test (const gimple *gs)
bool	test (const gimple *gs)
bool	test (const gimple *gs)
bool	test (const gimple *gs)
bool	test (const gimple *gs)
bool	test (const gimple *gs)
bool	test (const gimple *gs)
bool	test (const gimple *gs)
bool	test (const gimple *gs)
bool	test (const gimple *gs)
bool	test (const gimple *gs)
bool	test (const gimple *gs)
bool	test (const gimple *gs)
bool	test (const gimple *gs)
bool	test (const gimple *gs)
bool	test (const gimple *gs)
bool	test (const gimple *gs)
bool	test (const gimple *gs)
bool	test (const gimple *gs)
bool	test (const gimple *gs)
bool	test (const gimple *gs)
bool	test (const gimple *gs)
bool	test (const gimple *gs)
bool	test (const gimple *gs)
bool	test (const gimple *gs)
bool	test (const gimple *gs)
bool	test (gimple *gs)
bool	test (const gimple *gs)
bool	test (gimple *gs)
bool	test (json::value *)
bool	test (const json::value *)
bool	test (json::value *jv)
bool	test (const json::value *jv)
bool	test (json::value *jv)
bool	test (const json::value *jv)
bool	test (json::value *jv)
bool	test (const json::value *jv)
bool	test (json::value *jv)
bool	test (const json::value *jv)
bool	test (json::value *jv)
bool	test (const json::value *jv)
bool	test (pp_token *tok)
bool	test (const pp_token *tok)
bool	test (pp_token *tok)
bool	test (const pp_token *tok)
bool	test (pp_token *tok)
bool	test (const pp_token *tok)
bool	test (pp_token *tok)
bool	test (const pp_token *tok)
bool	test (pp_token *tok)
bool	test (const pp_token *tok)
bool	test (rtx rt)
bool	test (rtx rt)
bool	test (rtx rt)
bool	test (const_rtx rt)
bool	test (rtx rt)
bool	test (const_rtx rt)
bool	test (rtx rt)
bool	test (rtx rt)
bool	test (rtx rt)
bool	test (rtx_insn *insn)
bool	test (rtx rt)
bool	test (rtx_insn *insn)
bool	test (rtx rt)
bool	test (rtx_insn *insn)
bool	test (rtx rt)
bool	test (rtx rt)
bool	test (rtx_insn *insn)
bool	test (rtx rt)
bool	test (rtx_insn *insn)
bool	test (vec_info *i)
bool	test (vec_info *i)
bool	test (const region *)
bool	test (const region *reg)
bool	test (const region *reg)
bool	test (const region *reg)
bool	test (const region *reg)
bool	test (const region *reg)
bool	test (const region *reg)
bool	test (const region *reg)
bool	test (const region *reg)
bool	test (const region *reg)
bool	test (const region *reg)
bool	test (const region *reg)
bool	test (const region *reg)
bool	test (const region *reg)
bool	test (const region *reg)
bool	test (const region *reg)
bool	test (const region *reg)
bool	test (const region *reg)
bool	test (const region *reg)
bool	test (const region *reg)
bool	test (const region *reg)
bool	test (const region *reg)
bool	test (const ana::binding_key *key)
bool	test (const superedge *sedge)
bool	test (const superedge *sedge)
bool	test (const superedge *sedge)
bool	test (const superedge *sedge)
bool	test (const superedge *sedge)
bool	test (const superedge *sedge)
bool	test (const superedge *sedge)
bool	test (const superedge *sedge)
bool	test (const svalue *sval)
bool	test (const svalue *sval)
bool	test (const svalue *sval)
bool	test (const svalue *sval)
bool	test (const svalue *sval)
bool	test (const svalue *sval)
bool	test (const svalue *sval)
bool	test (const svalue *sval)
bool	test (const svalue *sval)
bool	test (const svalue *sval)
bool	test (const svalue *sval)
bool	test (const svalue *sval)
bool	test (const svalue *sval)
bool	test (const svalue *sval)
bool	test (const svalue *sval)
bool	test (const svalue *sval)
bool	test (const svalue *sval)

Static Public Member Functions
template<typename U>
static bool	test (U *p)
template<typename U>
static T	cast (U *p)

Detailed Description

template<typename T>
struct is_a_helper< T >

A generic type conversion internal helper class.   

Member Function Documentation

cast()

template<typename T>

template<typename U>

static T reinterpret_is_a_helper< T >::cast ( U * p )

inlinestaticinherited

References T.

Referenced by as_a(), is_a_helper< const T * >::cast(), dyn_cast(), and safe_as_a().

test() [1/181]

bool is_a_helper< constana::concrete_binding * >::test ( const ana::binding_key * key )

inline

test() [2/181]

bool is_a_helper< constgassign * >::test ( const gimple * gs )

inline

test() [3/181]

bool is_a_helper< constgcond * >::test ( const gimple * gs )

inline

test() [4/181]

bool is_a_helper< constgdebug * >::test ( const gimple * gs )

inline

test() [5/181]

bool is_a_helper< constggoto * >::test ( const gimple * gs )

inline

test() [6/181]

bool is_a_helper< constglabel * >::test ( const gimple * gs )

inline

test() [7/181]

bool is_a_helper< constgeh_else * >::test ( const gimple * gs )

inline

test() [8/181]

bool is_a_helper< constgeh_mnt * >::test ( const gimple * gs )

inline

test() [9/181]

bool is_a_helper< constgswitch * >::test ( const gimple * gs )

inline

test() [10/181]

bool is_a_helper< constgtry * >::test ( const gimple * gs )

inline

test() [11/181]

bool is_a_helper< constgasm * >::test ( const gimple * gs )

inline

test() [12/181]

bool is_a_helper< constgbind * >::test ( const gimple * gs )

inline

test() [13/181]

bool is_a_helper< constgcall * >::test ( const gimple * gs )

inline

test() [14/181]

bool is_a_helper< constgcatch * >::test ( const gimple * gs )

inline

test() [15/181]

bool is_a_helper< constgresx * >::test ( const gimple * gs )

inline

test() [16/181]

bool is_a_helper< constgeh_dispatch * >::test ( const gimple * gs )

inline

test() [17/181]

bool is_a_helper< constgeh_filter * >::test ( const gimple * gs )

inline

test() [18/181]

bool is_a_helper< constgomp_atomic_load * >::test ( const gimple * gs )

inline

test() [19/181]

bool is_a_helper< constgomp_atomic_store * >::test ( const gimple * gs )

inline

test() [20/181]

bool is_a_helper< constgimple_statement_omp_return * >::test ( const gimple * gs )

inline

test() [21/181]

bool is_a_helper< constgomp_continue * >::test ( const gimple * gs )

inline

test() [22/181]

bool is_a_helper< constgomp_critical * >::test ( const gimple * gs )

inline

test() [23/181]

bool is_a_helper< constgomp_ordered * >::test ( const gimple * gs )

inline

test() [24/181]

bool is_a_helper< constgomp_scan * >::test ( const gimple * gs )

inline

test() [25/181]

bool is_a_helper< constgomp_for * >::test ( const gimple * gs )

inline

test() [26/181]

bool is_a_helper< constgimple_statement_omp_taskreg * >::test ( const gimple * gs )

inline

test() [27/181]

bool is_a_helper< constgomp_parallel * >::test ( const gimple * gs )

inline

test() [28/181]

bool is_a_helper< constgomp_target * >::test ( const gimple * gs )

inline

test() [29/181]

bool is_a_helper< constgomp_sections * >::test ( const gimple * gs )

inline

test() [30/181]

bool is_a_helper< constgomp_single * >::test ( const gimple * gs )

inline

test() [31/181]

bool is_a_helper< constgomp_teams * >::test ( const gimple * gs )

inline

test() [32/181]

bool is_a_helper< constgomp_task * >::test ( const gimple * gs )

inline

test() [33/181]

bool is_a_helper< constgphi * >::test ( const gimple * gs )

inline

test() [34/181]

bool is_a_helper< constgreturn * >::test ( const gimple * gs )

inline

test() [35/181]

bool is_a_helper< constgimple_statement_assume * >::test ( const gimple * gs )

inline

test() [36/181]

bool is_a_helper< constgtransaction * >::test ( const gimple * gs )

inline

test() [37/181]

bool is_a_helper< constgimple_statement_with_ops * >::test ( const gimple * gs )

inline

test() [38/181]

bool is_a_helper< constgimple_statement_with_memory_ops * >::test ( const gimple * gs )

inline

test() [39/181]

bool is_a_helper< constjson::value * >::test ( const json::value * )

inline

test() [40/181]

bool is_a_helper< constjson::object * >::test ( const json::value * jv )

inline

test() [41/181]

bool is_a_helper< constjson::array * >::test ( const json::value * jv )

inline

test() [42/181]

bool is_a_helper< constjson::float_number * >::test ( const json::value * jv )

inline

test() [43/181]

bool is_a_helper< constjson::integer_number * >::test ( const json::value * jv )

inline

test() [44/181]

bool is_a_helper< constjson::string * >::test ( const json::value * jv )

inline

test() [45/181]

bool is_a_helper< constpp_token_text * >::test ( const pp_token * tok )

inline

test() [46/181]

bool is_a_helper< constpp_token_begin_color * >::test ( const pp_token * tok )

inline

test() [47/181]

bool is_a_helper< constpp_token_begin_url * >::test ( const pp_token * tok )

inline

test() [48/181]

bool is_a_helper< constpp_token_event_id * >::test ( const pp_token * tok )

inline

test() [49/181]

bool is_a_helper< constpp_token_custom_data * >::test ( const pp_token * tok )

inline

test() [50/181]

bool is_a_helper< constregion * >::test ( const region * )

inline

test() [51/181]

bool is_a_helper< constframe_region * >::test ( const region * reg )

inline

test() [52/181]

bool is_a_helper< constglobals_region * >::test ( const region * reg )

inline

test() [53/181]

bool is_a_helper< constcode_region * >::test ( const region * reg )

inline

test() [54/181]

bool is_a_helper< constfunction_region * >::test ( const region * reg )

inline

test() [55/181]

bool is_a_helper< constlabel_region * >::test ( const region * reg )

inline

test() [56/181]

bool is_a_helper< conststack_region * >::test ( const region * reg )

inline

test() [57/181]

bool is_a_helper< constheap_region * >::test ( const region * reg )

inline

test() [58/181]

bool is_a_helper< constthread_local_region * >::test ( const region * reg )

inline

test() [59/181]

bool is_a_helper< constroot_region * >::test ( const region * reg )

inline

test() [60/181]

bool is_a_helper< constsymbolic_region * >::test ( const region * reg )

inline

test() [61/181]

bool is_a_helper< constdecl_region * >::test ( const region * reg )

inline

test() [62/181]

bool is_a_helper< constfield_region * >::test ( const region * reg )

inline

test() [63/181]

bool is_a_helper< constelement_region * >::test ( const region * reg )

inline

test() [64/181]

bool is_a_helper< constoffset_region * >::test ( const region * reg )

inline

test() [65/181]

bool is_a_helper< constsized_region * >::test ( const region * reg )

inline

test() [66/181]

bool is_a_helper< constcast_region * >::test ( const region * reg )

inline

test() [67/181]

bool is_a_helper< conststring_region * >::test ( const region * reg )

inline

test() [68/181]

bool is_a_helper< constbit_range_region * >::test ( const region * reg )

inline

test() [69/181]

bool is_a_helper< constvar_arg_region * >::test ( const region * reg )

inline

test() [70/181]

bool is_a_helper< consterrno_region * >::test ( const region * reg )

inline

test() [71/181]

bool is_a_helper< constprivate_region * >::test ( const region * reg )

inline

test() [72/181]

bool is_a_helper< constcallgraph_superedge * >::test ( const superedge * sedge )

inline

test() [73/181]

bool is_a_helper< constcall_superedge * >::test ( const superedge * sedge )

inline

test() [74/181]

bool is_a_helper< constreturn_superedge * >::test ( const superedge * sedge )

inline

test() [75/181]

bool is_a_helper< constcfg_superedge * >::test ( const superedge * sedge )

inline

test() [76/181]

bool is_a_helper< constswitch_cfg_superedge * >::test ( const superedge * sedge )

inline

test() [77/181]

bool is_a_helper< consteh_dispatch_cfg_superedge * >::test ( const superedge * sedge )

inline

test() [78/181]

bool is_a_helper< consteh_dispatch_try_cfg_superedge * >::test ( const superedge * sedge )

inline

test() [79/181]

bool is_a_helper< consteh_dispatch_allowed_cfg_superedge * >::test ( const superedge * sedge )

inline

test() [80/181]

bool is_a_helper< constregion_svalue * >::test ( const svalue * sval )

inline

test() [81/181]

bool is_a_helper< constconstant_svalue * >::test ( const svalue * sval )

inline

test() [82/181]

bool is_a_helper< constpoisoned_svalue * >::test ( const svalue * sval )

inline

test() [83/181]

bool is_a_helper< constsetjmp_svalue * >::test ( const svalue * sval )

inline

test() [84/181]

bool is_a_helper< constinitial_svalue * >::test ( const svalue * sval )

inline

test() [85/181]

bool is_a_helper< constunaryop_svalue * >::test ( const svalue * sval )

inline

test() [86/181]

bool is_a_helper< constbinop_svalue * >::test ( const svalue * sval )

inline

test() [87/181]

bool is_a_helper< constsub_svalue * >::test ( const svalue * sval )

inline

test() [88/181]

bool is_a_helper< constrepeated_svalue * >::test ( const svalue * sval )

inline

test() [89/181]

bool is_a_helper< constbits_within_svalue * >::test ( const svalue * sval )

inline

test() [90/181]

bool is_a_helper< constunmergeable_svalue * >::test ( const svalue * sval )

inline

test() [91/181]

bool is_a_helper< constplaceholder_svalue * >::test ( const svalue * sval )

inline

test() [92/181]

bool is_a_helper< constwidening_svalue * >::test ( const svalue * sval )

inline

test() [93/181]

bool is_a_helper< constcompound_svalue * >::test ( const svalue * sval )

inline

test() [94/181]

bool is_a_helper< constconjured_svalue * >::test ( const svalue * sval )

inline

test() [95/181]

bool is_a_helper< constasm_output_svalue * >::test ( const svalue * sval )

inline

test() [96/181]

bool is_a_helper< constconst_fn_result_svalue * >::test ( const svalue * sval )

inline

test() [97/181]

bool is_a_helper< constrtx_sequence * >::test ( const_rtx rt )

inline

test() [98/181]

bool is_a_helper< constrtx_insn * >::test ( const_rtx rt )

inline

test() [99/181]

bool is_a_helper< dt_operand * >::test ( dt_node * n )

inline

test() [100/181]

bool is_a_helper< dt_simplify * >::test ( dt_node * n )

inline

test() [101/181]

bool is_a_helper< gasm * >::test ( gimple * gs )

inline

test() [102/181]

bool is_a_helper< gassign * >::test ( gimple * gs )

inline

test() [103/181]

bool is_a_helper< gbind * >::test ( gimple * gs )

inline

test() [104/181]

bool is_a_helper< gcall * >::test ( gimple * gs )

inline

test() [105/181]

bool is_a_helper< gcatch * >::test ( gimple * gs )

inline

test() [106/181]

bool is_a_helper< gcond * >::test ( gimple * gs )

inline

test() [107/181]

bool is_a_helper< gdebug * >::test ( gimple * gs )

inline

test() [108/181]

bool is_a_helper< ggoto * >::test ( gimple * gs )

inline

test() [109/181]

bool is_a_helper< glabel * >::test ( gimple * gs )

inline

test() [110/181]

bool is_a_helper< gresx * >::test ( gimple * gs )

inline

test() [111/181]

bool is_a_helper< geh_dispatch * >::test ( gimple * gs )

inline

test() [112/181]

bool is_a_helper< geh_else * >::test ( gimple * gs )

inline

test() [113/181]

bool is_a_helper< geh_filter * >::test ( gimple * gs )

inline

test() [114/181]

bool is_a_helper< geh_mnt * >::test ( gimple * gs )

inline

test() [115/181]

bool is_a_helper< gomp_atomic_load * >::test ( gimple * gs )

inline

test() [116/181]

bool is_a_helper< gomp_atomic_store * >::test ( gimple * gs )

inline

test() [117/181]

bool is_a_helper< gimple_statement_omp_return * >::test ( gimple * gs )

inline

test() [118/181]

bool is_a_helper< gomp_continue * >::test ( gimple * gs )

inline

test() [119/181]

bool is_a_helper< gomp_critical * >::test ( gimple * gs )

inline

test() [120/181]

bool is_a_helper< gomp_ordered * >::test ( gimple * gs )

inline

test() [121/181]

bool is_a_helper< gomp_scan * >::test ( gimple * gs )

inline

test() [122/181]

bool is_a_helper< gomp_for * >::test ( gimple * gs )

inline

test() [123/181]

bool is_a_helper< gimple_statement_omp_taskreg * >::test ( gimple * gs )

inline

test() [124/181]

bool is_a_helper< gomp_parallel * >::test ( gimple * gs )

inline

test() [125/181]

bool is_a_helper< gomp_target * >::test ( gimple * gs )

inline

test() [126/181]

bool is_a_helper< gomp_sections * >::test ( gimple * gs )

inline

test() [127/181]

bool is_a_helper< gomp_single * >::test ( gimple * gs )

inline

test() [128/181]

bool is_a_helper< gomp_teams * >::test ( gimple * gs )

inline

test() [129/181]

bool is_a_helper< gomp_task * >::test ( gimple * gs )

inline

test() [130/181]

bool is_a_helper< gphi * >::test ( gimple * gs )

inline

test() [131/181]

bool is_a_helper< greturn * >::test ( gimple * gs )

inline

test() [132/181]

bool is_a_helper< gswitch * >::test ( gimple * gs )

inline

test() [133/181]

bool is_a_helper< gimple_statement_assume * >::test ( gimple * gs )

inline

test() [134/181]

bool is_a_helper< gtransaction * >::test ( gimple * gs )

inline

test() [135/181]

bool is_a_helper< gtry * >::test ( gimple * gs )

inline

test() [136/181]

bool is_a_helper< gimple_statement_wce * >::test ( gimple * gs )

inline

test() [137/181]

bool is_a_helper< gimple_statement_with_ops * >::test ( gimple * gs )

inline

test() [138/181]

bool is_a_helper< gimple_statement_with_memory_ops * >::test ( gimple * gs )

inline

test() [139/181]

bool is_a_helper< fn_id * >::test ( id_base * id )

inline

test() [140/181]

bool is_a_helper< operator_id * >::test ( id_base * id )

inline

test() [141/181]

bool is_a_helper< predicate_id * >::test ( id_base * id )

inline

test() [142/181]

bool is_a_helper< user_id * >::test ( id_base * id )

inline

test() [143/181]

bool is_a_helper< json::value * >::test ( json::value * )

inline

test() [144/181]

bool is_a_helper< json::object * >::test ( json::value * jv )

inline

test() [145/181]

bool is_a_helper< json::array * >::test ( json::value * jv )

inline

test() [146/181]

bool is_a_helper< json::float_number * >::test ( json::value * jv )

inline

test() [147/181]

bool is_a_helper< json::integer_number * >::test ( json::value * jv )

inline

test() [148/181]

bool is_a_helper< json::string * >::test ( json::value * jv )

inline

test() [149/181]

bool is_a_helper< capture * >::test ( operand * op )

inline

test() [150/181]

bool is_a_helper< predicate * >::test ( operand * op )

inline

test() [151/181]

bool is_a_helper< c_expr * >::test ( operand * op )

inline

test() [152/181]

bool is_a_helper< expr * >::test ( operand * op )

inline

test() [153/181]

bool is_a_helper< if_expr * >::test ( operand * op )

inline

test() [154/181]

bool is_a_helper< with_expr * >::test ( operand * op )

inline

test() [155/181]

bool is_a_helper< pp_token_text * >::test ( pp_token * tok )

inline

test() [156/181]

bool is_a_helper< pp_token_begin_color * >::test ( pp_token * tok )

inline

test() [157/181]

bool is_a_helper< pp_token_begin_url * >::test ( pp_token * tok )

inline

test() [158/181]

bool is_a_helper< pp_token_event_id * >::test ( pp_token * tok )

inline

test() [159/181]

bool is_a_helper< pp_token_custom_data * >::test ( pp_token * tok )

inline

test() [160/181]

bool is_a_helper< rtx_expr_list * >::test ( rtx rt )

inline

test() [161/181]

bool is_a_helper< rtx_insn_list * >::test ( rtx rt )

inline

test() [162/181]

bool is_a_helper< rtx_sequence * >::test ( rtx rt )

inline

test() [163/181]

bool is_a_helper< rtx_insn * >::test ( rtx rt )

inline

test() [164/181]

bool is_a_helper< rtx_debug_insn * >::test ( rtx rt )

inline

test() [165/181]

bool is_a_helper< rtx_nonjump_insn * >::test ( rtx rt )

inline

test() [166/181]

bool is_a_helper< rtx_jump_insn * >::test ( rtx rt )

inline

test() [167/181]

bool is_a_helper< rtx_call_insn * >::test ( rtx rt )

inline

test() [168/181]

bool is_a_helper< rtx_jump_table_data * >::test ( rtx rt )

inline

test() [169/181]

bool is_a_helper< rtx_barrier * >::test ( rtx rt )

inline

test() [170/181]

bool is_a_helper< rtx_code_label * >::test ( rtx rt )

inline

test() [171/181]

bool is_a_helper< rtx_note * >::test ( rtx rt )

inline

test() [172/181]

bool is_a_helper< rtx_jump_insn * >::test ( rtx_insn * insn )

inline

test() [173/181]

bool is_a_helper< rtx_call_insn * >::test ( rtx_insn * insn )

inline

test() [174/181]

bool is_a_helper< rtx_jump_table_data * >::test ( rtx_insn * insn )

inline

test() [175/181]

bool is_a_helper< rtx_code_label * >::test ( rtx_insn * insn )

inline

test() [176/181]

bool is_a_helper< rtx_note * >::test ( rtx_insn * insn )

inline

test() [177/181]

bool is_a_helper< cgraph_node * >::test ( symtab_node * p )

inline

Report whether or not THIS symtab node is a function, aka cgraph_node.   

test() [178/181]

bool is_a_helper< varpool_node * >::test ( symtab_node * p )

inline

Report whether or not THIS symtab node is a variable, aka varpool_node.   

test() [179/181]

template<typename T>

template<typename U>

static bool is_a_helper< T >::test ( U * p )

inlinestatic

Referenced by is_a(), safe_is_a(), and is_a_helper< const T * >::test().

test() [180/181]

bool is_a_helper< _loop_vec_info * >::test ( vec_info * i )

inline

test() [181/181]

bool is_a_helper< _bb_vec_info * >::test ( vec_info * i )

inline

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The documentation for this struct was generated from the following file:

• is-a.h