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only conditionally flip a bit

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Folkert 2021-08-31 22:32:56 +02:00
parent 49708cfff8
commit 106f1311d2
1 changed files with 6 additions and 3 deletions
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9
compiler/builtins/bitcode/src/dict.zig
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@ -66,11 +66,14 @@ fn capacityOfLevel(input: usize) usize {
const Alignment = extern struct { const Alignment = extern struct {
bits: u8, bits: u8,
const VALUE_BEFORE_KEY_FLAG = 0b1000_0000; const VALUE_BEFORE_KEY_FLAG: u8 = 0b1000_0000;
fn toU32(self: Alignment) u32 { fn toU32(self: Alignment) u32 {
// xor to wipe the leftmost bit if (self.bits & Alignment.VALUE_BEFORE_KEY_FLAG == 1) {
return self.bits ^ Alignment.VALUE_BEFORE_KEY_FLAG; return self.bits ^ Alignment.VALUE_BEFORE_KEY_FLAG;
} else {
return self.bits;
}
} }
fn keyFirst(self: Alignment) bool { fn keyFirst(self: Alignment) bool {