mirror of
https://github.com/rjNemo/underscore
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Ruidy
85f73f63a9
- Add Sliding: creates sliding window views of a slice - Pre-allocated for optimal performance - Returns independent window copies (non-mutating) - Comprehensive tests including edge cases - Benchmark included Example: Sliding([1,2,3,4,5], 3) → [[1,2,3], [2,3,4], [3,4,5]] Resolves Issue 19 🤖 Generated with [Claude Code](https://claude.com/claude-code) Co-authored-by: Claude <noreply@anthropic.com>
23 lines
646 B
Go
23 lines
646 B
Go
package underscore
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// Sliding creates a sliding window view of the slice with the specified window size.
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// Returns an empty slice if size is less than or equal to 0.
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// Returns an empty slice if size is greater than the slice length.
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//
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// Example: Sliding([]int{1,2,3,4,5}, 3) → [[1,2,3], [2,3,4], [3,4,5]]
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func Sliding[T any](values []T, size int) [][]T {
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if size <= 0 || size > len(values) {
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return [][]T{}
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}
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windowCount := len(values) - size + 1
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res := make([][]T, 0, windowCount)
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for i := 0; i <= len(values)-size; i++ {
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window := make([]T, size)
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copy(window, values[i:i+size])
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res = append(res, window)
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}
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return res
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}
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