language-servers/roc
1
0
Fork 0
mirror of https://github.com/roc-lang/roc.git synced 2025-09-29 14:54:47 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions 7

Merge branch 'trunk' of github.com:rtfeldman/roc into list-str-capacity

Browse source
This commit is contained in:
Brian Carroll 2022-03-11 19:28:13 +00:00
commit 456d8ff9cb
41 changed files with 790 additions and 210 deletions
Download patch file Download diff file Expand all files Collapse all files

13
compiler/builtins/bitcode/src/list.zig
View file

@ -890,14 +890,23 @@ pub fn listSublist(
}
const keep_len = std.math.min(len, size - start);
const drop_len = std.math.max(start, 0);
const drop_start_len = start;
const drop_end_len = size - (start + keep_len);
// Decrement the reference counts of elements before `start`.
var i: usize = 0;
while (i < drop_len) : (i += 1) {
while (i < drop_start_len) : (i += 1) {
const element = source_ptr + i * element_width;
dec(element);
}
// Decrement the reference counts of elements after `start + keep_len`.
i = 0;
while (i < drop_end_len) : (i += 1) {
const element = source_ptr + (start + keep_len + i) * element_width;
dec(element);
}
const output = RocList.allocate(alignment, keep_len, element_width);
const target_ptr = output.bytes orelse unreachable;