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clean up zig str concat

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Folkert 2021-01-21 20:20:20 +01:00
parent 3bc5d50a44
commit 18d04614d4
1 changed files with 3 additions and 9 deletions
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12
compiler/builtins/bitcode/src/str.zig
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@ -831,20 +831,14 @@ fn strConcatHelp(allocator: *Allocator, comptime T: type, result_in_place: InPla
var result = RocStr.initBig(allocator, T, result_in_place, combined_length);
{
const old_if_small = &@bitCast([16]u8, arg1);
const old_if_big = @ptrCast([*]u8, arg1.str_bytes);
const old_bytes = if (arg1.isSmallStr()) old_if_small else old_if_big;
const new_bytes: [*]u8 = @ptrCast([*]u8, result.str_bytes);
const old_bytes = arg1.asU8ptr();
const new_bytes = @ptrCast([*]u8, result.str_bytes);
@memcpy(new_bytes, old_bytes, arg1.len());
}
{
const old_if_small = &@bitCast([16]u8, arg2);
const old_if_big = @ptrCast([*]u8, arg2.str_bytes);
const old_bytes = if (arg2.isSmallStr()) old_if_small else old_if_big;
const old_bytes = arg2.asU8ptr();
const new_bytes = @ptrCast([*]u8, result.str_bytes) + arg1.len();
@memcpy(new_bytes, old_bytes, arg2.len());