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spec for List.reverse

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Folkert 2021-10-03 13:34:09 +02:00
parent 13d480d5f3
commit 0690633116
4 changed files with 16 additions and 3 deletions
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4
compiler/builtins/bitcode/src/list.zig
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@ -141,14 +141,14 @@ const Caller1 = fn (?[*]u8, ?[*]u8, ?[*]u8) callconv(.C) void;
const Caller2 = fn (?[*]u8, ?[*]u8, ?[*]u8, ?[*]u8) callconv(.C) void;
const Caller3 = fn (?[*]u8, ?[*]u8, ?[*]u8, ?[*]u8, ?[*]u8) callconv(.C) void;
pub fn listReverse(list: RocList, alignment: u32, element_width: usize) callconv(.C) RocList {
pub fn listReverse(list: RocList, alignment: u32, element_width: usize, update_mode: UpdateMode) callconv(.C) RocList {
if (list.bytes) |source_ptr| {
const size = list.len();
var i: usize = 0;
const end: usize = size - 1;
if (list.isUnique()) {
if (update_mode == .InPlace or list.isUnique()) {
// Working from the front and back so
// we only need to go ~(n / 2) iterations.