85 lines
2.5 KiB
Zig
85 lines
2.5 KiB
Zig
const std = @import("std");
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const zollections = @import("zollections");
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/// An example structure.
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const ExampleStruct = struct {
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const Self = @This();
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allocator: std.mem.Allocator,
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buffer: []u8,
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/// Initialize a new example struct.
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pub fn init(bufSiz: usize) !Self
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{
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const allocator = std.testing.allocator;
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return .{
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.allocator = allocator,
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.buffer = try allocator.alloc(u8, bufSiz),
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};
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}
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/// Deinitialize the example struct.
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pub fn deinit(self: *Self) void
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{
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self.allocator.free(self.buffer);
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}
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};
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test "simple collection" {
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const allocator = std.testing.allocator;
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// Allocate your slice.
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const slice = try allocator.alloc(*u8, 3);
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// Create your slice elements.
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slice[0] = try allocator.create(u8);
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slice[1] = try allocator.create(u8);
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slice[2] = try allocator.create(u8);
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// Create a collection with your slice of elements.
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var collection = zollections.Collection(u8).init(allocator, slice);
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// Free your collection: your slice and all your elements will be freed.
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defer collection.deinit();
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}
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test "recursive free" {
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const allocator = std.testing.allocator;
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// Create a pointer to a slice.
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const slicePointer = try allocator.create([]*u8);
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// Allocate your slice in the pointed slice.
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slicePointer.* = try allocator.alloc(*u8, 3);
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// Create slice elements.
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slicePointer.*[0] = try allocator.create(u8);
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slicePointer.*[1] = try allocator.create(u8);
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slicePointer.*[2] = try allocator.create(u8);
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// Allocate your slice or pointers to slices.
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const slice = try allocator.alloc(*[]*u8, 1);
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slice[0] = slicePointer;
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// Create a collection with your slice of elements.
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var collection = zollections.Collection([]*u8).init(allocator, slice);
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// Free your collection: your slice and all your slices and their elements will be freed.
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defer collection.deinit();
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}
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test "custom struct deinit" {
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const allocator = std.testing.allocator;
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// Allocate your slice.
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const slice = try allocator.alloc(*ExampleStruct, 3);
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// Create your slice elements with custom structs and their inner init / deinit.
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slice[0] = try allocator.create(ExampleStruct);
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slice[0].* = try ExampleStruct.init(4);
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slice[1] = try allocator.create(ExampleStruct);
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slice[1].* = try ExampleStruct.init(8);
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slice[2] = try allocator.create(ExampleStruct);
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slice[2].* = try ExampleStruct.init(16);
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// Create a collection with your slice of elements.
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var collection = zollections.Collection(ExampleStruct).init(allocator, slice);
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// Free your collection: your slice and all your elements will be deinitialized and freed.
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defer collection.deinit();
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}
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