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https://github.com/onyx-and-iris/aoc2023.git
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51 lines
935 B
Go
51 lines
935 B
Go
package main
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import (
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"bufio"
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"os"
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log "github.com/sirupsen/logrus"
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)
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// readlines reads lines from stdin.
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// returns input as an array of strings
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func readlines() []string {
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lines := []string{}
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scanner := bufio.NewScanner(os.Stdin)
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for scanner.Scan() {
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lines = append(lines, scanner.Text())
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}
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if err := scanner.Err(); err != nil {
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log.Fatal(err)
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}
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return lines
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}
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// inLastMoves checks if next coords exists in past moves
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func inLastMoves(last []coords, b coords) bool {
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for _, co := range last {
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if co.X == b.X && co.Y == b.Y {
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return true
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}
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}
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return false
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}
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// comparePoints returns true if coordinates for two points match
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func comparePoints(a, b point) bool {
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return a.X == b.X && a.Y == b.Y
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}
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// contains returns true if a slice of elements contains a given element
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func contains[T comparable](elems []T, v T) bool {
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for _, s := range elems {
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if v == s {
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return true
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}
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}
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return false
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}
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