Zig utility library
Document SliceIterator
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src/SliceIterator.zig
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src/SliceIterator.zig
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slice: []const T,
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index: usize = 0,
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/// Create the SliceIterator from a slice
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pub fn init(slice: []const T) Self {
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return Self{ .slice = slice };
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}
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/// Return the next value in the iterator but don't increase the index
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pub fn peek(self: *const Self) ?T {
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if (self.index >= self.slice.len) {
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return null;
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return self.slice[self.index];
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}
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/// Returns the next value in the iterator
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pub fn next(self: *Self) ?T {
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const v = self.peek();
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self.index += 1;
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}
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std.debug.print("\n", .{});
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}
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test "peek" {
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const array = [_]f32{ 1, 2, 3 };
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var iter = SliceIterator(f32).init(&array);
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const item = iter.peek().?;
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try std.testing.expectEqual(1, item);
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}