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Merge pull request #4892 from Sobeston/patch-4

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mem.zeroes - add sentinel terminated array support
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Vexu 2020-05-08 22:37:27 +03:00 committed by GitHub
commit 453df1cc1e
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1 changed files with 7 additions and 0 deletions
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7
lib/std/mem.zig
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@ -382,6 +382,9 @@ pub fn zeroes(comptime T: type) T {
}
},
.Array => |info| {
if (info.sentinel) |sentinel| {
return [_:sentinel]info.child{zeroes(info.child)} ** info.len;
}
return [_]info.child{zeroes(info.child)} ** info.len;
},
.Vector,
@ -442,6 +445,7 @@ test "mem.zeroes" {
array: [2]u32,
optional_int: ?u8,
empty: void,
sentinel: [3:0]u8,
};
const b = zeroes(ZigStruct);
@ -466,6 +470,9 @@ test "mem.zeroes" {
testing.expectEqual(@as(u32, 0), e);
}
testing.expectEqual(@as(?u8, null), b.optional_int);
for (b.sentinel) |e| {
testing.expectEqual(@as(u8, 0), e);
}
}
pub fn secureZero(comptime T: type, s: []T) void {