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feat: add matchExact to the API 

TODO: write doc comment
This commit is contained in:
Rekai Nyangadzayi Musuka 2023-08-17 23:57:57 -05:00
parent e0ab786ef0
commit c6f3c7f039
1 changed files with 5 additions and 2 deletions
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7
src/lib.zig
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@ -121,8 +121,6 @@ pub fn extract(comptime bit_string: []const u8, value: anytype) Bitfield(bit_str
}; };
comptime verify(ValT, bit_string); comptime verify(ValT, bit_string);
std.debug.assert(match(bit_string, value)); // prevents branchless impl in ReleaseSafe
var ret: ReturnT = undefined; var ret: ReturnT = undefined;
inline for (@typeInfo(ReturnT).Struct.fields) |field| { inline for (@typeInfo(ReturnT).Struct.fields) |field| {
@ -148,6 +146,11 @@ pub fn extract(comptime bit_string: []const u8, value: anytype) Bitfield(bit_str
return ret; return ret;
} }
pub fn matchExtract(comptime bit_string: []const u8, value: anytype) ?Bitfield(bit_string) {
if (!match(bit_string, value)) return null;
return extract(bit_string, value);
}
test "extract" { test "extract" {
// doc tests // doc tests
{ {