diff options
Diffstat (limited to 'std/segmented_list.zig')
| -rw-r--r-- | std/segmented_list.zig | 54 |
1 files changed, 27 insertions, 27 deletions
diff --git a/std/segmented_list.zig b/std/segmented_list.zig index d755135fe8..be9a2071a0 100644 --- a/std/segmented_list.zig +++ b/std/segmented_list.zig @@ -87,49 +87,49 @@ pub fn SegmentedList(comptime T: type, comptime prealloc_item_count: usize) type const ShelfIndex = std.math.Log2Int(usize); prealloc_segment: [prealloc_item_count]T, - dynamic_segments: []&T, - allocator: &Allocator, + dynamic_segments: []*T, + allocator: *Allocator, len: usize, pub const prealloc_count = prealloc_item_count; /// Deinitialize with `deinit` - pub fn init(allocator: &Allocator) Self { + pub fn init(allocator: *Allocator) Self { return Self{ .allocator = allocator, .len = 0, .prealloc_segment = undefined, - .dynamic_segments = []&T{}, + .dynamic_segments = []*T{}, }; } - pub fn deinit(self: &Self) void { + pub fn deinit(self: *Self) void { self.freeShelves(ShelfIndex(self.dynamic_segments.len), 0); self.allocator.free(self.dynamic_segments); self.* = undefined; } - pub fn at(self: &Self, i: usize) &T { + pub fn at(self: *Self, i: usize) *T { assert(i < self.len); return self.uncheckedAt(i); } - pub fn count(self: &const Self) usize { + pub fn count(self: *const Self) usize { return self.len; } - pub fn push(self: &Self, item: &const T) !void { + pub fn push(self: *Self, item: *const T) !void { const new_item_ptr = try self.addOne(); new_item_ptr.* = item.*; } - pub fn pushMany(self: &Self, items: []const T) !void { + pub fn pushMany(self: *Self, items: []const T) !void { for (items) |item| { try self.push(item); } } - pub fn pop(self: &Self) ?T { + pub fn pop(self: *Self) ?T { if (self.len == 0) return null; const index = self.len - 1; @@ -138,7 +138,7 @@ pub fn SegmentedList(comptime T: type, comptime prealloc_item_count: usize) type return result; } - pub fn addOne(self: &Self) !&T { + pub fn addOne(self: *Self) !*T { const new_length = self.len + 1; try self.growCapacity(new_length); const result = self.uncheckedAt(self.len); @@ -147,7 +147,7 @@ pub fn SegmentedList(comptime T: type, comptime prealloc_item_count: usize) type } /// Grows or shrinks capacity to match usage. - pub fn setCapacity(self: &Self, new_capacity: usize) !void { + pub fn setCapacity(self: *Self, new_capacity: usize) !void { if (new_capacity <= usize(1) << (prealloc_exp + self.dynamic_segments.len)) { return self.shrinkCapacity(new_capacity); } else { @@ -156,15 +156,15 @@ pub fn SegmentedList(comptime T: type, comptime prealloc_item_count: usize) type } /// Only grows capacity, or retains current capacity - pub fn growCapacity(self: &Self, new_capacity: usize) !void { + pub fn growCapacity(self: *Self, new_capacity: usize) !void { const new_cap_shelf_count = shelfCount(new_capacity); const old_shelf_count = ShelfIndex(self.dynamic_segments.len); if (new_cap_shelf_count > old_shelf_count) { - self.dynamic_segments = try self.allocator.realloc(&T, self.dynamic_segments, new_cap_shelf_count); + self.dynamic_segments = try self.allocator.realloc(*T, self.dynamic_segments, new_cap_shelf_count); var i = old_shelf_count; errdefer { self.freeShelves(i, old_shelf_count); - self.dynamic_segments = self.allocator.shrink(&T, self.dynamic_segments, old_shelf_count); + self.dynamic_segments = self.allocator.shrink(*T, self.dynamic_segments, old_shelf_count); } while (i < new_cap_shelf_count) : (i += 1) { self.dynamic_segments[i] = (try self.allocator.alloc(T, shelfSize(i))).ptr; @@ -173,12 +173,12 @@ pub fn SegmentedList(comptime T: type, comptime prealloc_item_count: usize) type } /// Only shrinks capacity or retains current capacity - pub fn shrinkCapacity(self: &Self, new_capacity: usize) void { + pub fn shrinkCapacity(self: *Self, new_capacity: usize) void { if (new_capacity <= prealloc_item_count) { const len = ShelfIndex(self.dynamic_segments.len); self.freeShelves(len, 0); self.allocator.free(self.dynamic_segments); - self.dynamic_segments = []&T{}; + self.dynamic_segments = []*T{}; return; } @@ -190,10 +190,10 @@ pub fn SegmentedList(comptime T: type, comptime prealloc_item_count: usize) type } self.freeShelves(old_shelf_count, new_cap_shelf_count); - self.dynamic_segments = self.allocator.shrink(&T, self.dynamic_segments, new_cap_shelf_count); + self.dynamic_segments = self.allocator.shrink(*T, self.dynamic_segments, new_cap_shelf_count); } - pub fn uncheckedAt(self: &Self, index: usize) &T { + pub fn uncheckedAt(self: *Self, index: usize) *T { if (index < prealloc_item_count) { return &self.prealloc_segment[index]; } @@ -230,7 +230,7 @@ pub fn SegmentedList(comptime T: type, comptime prealloc_item_count: usize) type return list_index + prealloc_item_count - (usize(1) << ((prealloc_exp + 1) + shelf_index)); } - fn freeShelves(self: &Self, from_count: ShelfIndex, to_count: ShelfIndex) void { + fn freeShelves(self: *Self, from_count: ShelfIndex, to_count: ShelfIndex) void { var i = from_count; while (i != to_count) { i -= 1; @@ -239,13 +239,13 @@ pub fn SegmentedList(comptime T: type, comptime prealloc_item_count: usize) type } pub const Iterator = struct { - list: &Self, + list: *Self, index: usize, box_index: usize, shelf_index: ShelfIndex, shelf_size: usize, - pub fn next(it: &Iterator) ?&T { + pub fn next(it: *Iterator) ?*T { if (it.index >= it.list.len) return null; if (it.index < prealloc_item_count) { const ptr = &it.list.prealloc_segment[it.index]; @@ -269,7 +269,7 @@ pub fn SegmentedList(comptime T: type, comptime prealloc_item_count: usize) type return ptr; } - pub fn prev(it: &Iterator) ?&T { + pub fn prev(it: *Iterator) ?*T { if (it.index == 0) return null; it.index -= 1; @@ -286,7 +286,7 @@ pub fn SegmentedList(comptime T: type, comptime prealloc_item_count: usize) type return &it.list.dynamic_segments[it.shelf_index][it.box_index]; } - pub fn peek(it: &Iterator) ?&T { + pub fn peek(it: *Iterator) ?*T { if (it.index >= it.list.len) return null; if (it.index < prealloc_item_count) @@ -295,7 +295,7 @@ pub fn SegmentedList(comptime T: type, comptime prealloc_item_count: usize) type return &it.list.dynamic_segments[it.shelf_index][it.box_index]; } - pub fn set(it: &Iterator, index: usize) void { + pub fn set(it: *Iterator, index: usize) void { it.index = index; if (index < prealloc_item_count) return; it.shelf_index = shelfIndex(index); @@ -304,7 +304,7 @@ pub fn SegmentedList(comptime T: type, comptime prealloc_item_count: usize) type } }; - pub fn iterator(self: &Self, start_index: usize) Iterator { + pub fn iterator(self: *Self, start_index: usize) Iterator { var it = Iterator{ .list = self, .index = undefined, @@ -331,7 +331,7 @@ test "std.SegmentedList" { try testSegmentedList(16, a); } -fn testSegmentedList(comptime prealloc: usize, allocator: &Allocator) !void { +fn testSegmentedList(comptime prealloc: usize, allocator: *Allocator) !void { var list = SegmentedList(i32, prealloc).init(allocator); defer list.deinit(); |
