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std.TrailerFlags: remove superfluous parameter

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Andrew Kelley 2021-06-21 12:44:25 -07:00
parent 98b10d94bf
commit f21a3ed540
1 changed files with 3 additions and 4 deletions
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lib/std/meta/trailer_flags.zig
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@ -96,19 +96,18 @@ pub fn TrailerFlags(comptime Fields: type) type {
pub fn ptr(self: Self, p: [*]align(@alignOf(Fields)) u8, comptime field: FieldEnum) *Field(field) { pub fn ptr(self: Self, p: [*]align(@alignOf(Fields)) u8, comptime field: FieldEnum) *Field(field) {
if (@sizeOf(Field(field)) == 0) if (@sizeOf(Field(field)) == 0)
return undefined; return undefined;
const off = self.offset(p, field); const off = self.offset(field);
return @ptrCast(*Field(field), @alignCast(@alignOf(Field(field)), p + off)); return @ptrCast(*Field(field), @alignCast(@alignOf(Field(field)), p + off));
} }
pub fn ptrConst(self: Self, p: [*]align(@alignOf(Fields)) const u8, comptime field: FieldEnum) *const Field(field) { pub fn ptrConst(self: Self, p: [*]align(@alignOf(Fields)) const u8, comptime field: FieldEnum) *const Field(field) {
if (@sizeOf(Field(field)) == 0) if (@sizeOf(Field(field)) == 0)
return undefined; return undefined;
const off = self.offset(p, field); const off = self.offset(field);
return @ptrCast(*const Field(field), @alignCast(@alignOf(Field(field)), p + off)); return @ptrCast(*const Field(field), @alignCast(@alignOf(Field(field)), p + off));
} }
pub fn offset(self: Self, p: [*]align(@alignOf(Fields)) const u8, comptime field: FieldEnum) usize { pub fn offset(self: Self, comptime field: FieldEnum) usize {
_ = p;
var off: usize = 0; var off: usize = 0;
inline for (@typeInfo(Fields).Struct.fields) |field_info, i| { inline for (@typeInfo(Fields).Struct.fields) |field_info, i| {
const active = (self.bits & (1 << i)) != 0; const active = (self.bits & (1 << i)) != 0;