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Add make version of bitset to slice.

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This commit is contained in:
Jeroen van Rijn
2024-05-09 17:44:39 +02:00
parent 113feacbc7
commit a61d8daec1
1 changed files with 18 additions and 2 deletions
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core/slice/slice.odin
+17 -1
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@@ -717,7 +717,7 @@ enum_slice_to_bitset :: proc(enums: []$E, $T: typeid/bit_set[E]) -> (bits: T) wh
// e.g.: // e.g.:
// sl := slice.bitset_to_enum_slice(flag_buf[:], bs) // sl := slice.bitset_to_enum_slice(flag_buf[:], bs)
@(require_results) @(require_results)
bitset_to_enum_slice :: proc(buf: []$E, bs: $T) -> (slice: []E) where intrinsics.type_is_enum(E) && intrinsics.type_bit_set_elem_type(T) == E { bitset_to_enum_slice_with_buffer :: proc(buf: []$E, bs: $T) -> (slice: []E) where intrinsics.type_is_enum(E) && intrinsics.type_bit_set_elem_type(T) == E {
count := 0 count := 0
for v in bs { for v in bs {
buf[count] = v buf[count] = v
@@ -725,3 +725,19 @@ bitset_to_enum_slice :: proc(buf: []$E, bs: $T) -> (slice: []E) where intrinsics
} }
return buf[:count] return buf[:count]
} }
// Turn a `bit_set[E]` into a `[]E`, allocates
// e.g.:
// sl := slice.bitset_to_enum_slice(bs)
@(require_results)
bitset_to_enum_slice_with_make :: proc(buf: []$E, bs: $T) -> (slice: []E) where intrinsics.type_is_enum(E) && intrinsics.type_bit_set_elem_type(T) == E {
count := 0
for v in bs {
buf[count] = v
count += 1
}
return buf[:count]
}
bitset_to_enum_slice :: proc{bitset_to_enum_slice_with_make, bitset_to_enum_slice_with_buffer}