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41 lines
821 B
Go
41 lines
821 B
Go
package main
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import (
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"slices"
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"unicode"
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)
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func isAlphaNum(c rune) bool {
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return unicode.IsLetter(c) || unicode.IsNumber(c)
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}
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func assert(cond bool) {
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if cond != true {
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panic("Assertion Failed")
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}
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}
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// Ensure that the given elements are only appended to the given slice if they
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// don't already exist. Returns the new slice, and the number of unique items appended.
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func unique_append[T comparable](slc []T, items ...T) ([]T, int) {
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num_appended := 0
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for _, item := range items {
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if !slices.Contains(slc, item) {
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slc = append(slc, item)
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num_appended++
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}
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}
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return slc, num_appended
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}
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// Returns true only if all the given elements are equal
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func allEqual[T comparable](items ...T) bool {
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first := items[0]
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for _, item := range items {
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if item != first {
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return false
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}
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}
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return true
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}
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