Add util.Lines line splitter

util/strings.go

@@ -0,0 +1,19 @@
+package util
+
+import (
+	"bufio"
+	"fmt"
+	"strings"
+)
+
+// Lines transforms the input into a string and then divides that string
+// up into lines (\r?\n) suitable for functional map operations.
+func Lines[T any](in T) []string {
+	buf := fmt.Sprintf("%v", in)
+	lines := []string{}
+	scan := bufio.NewScanner(strings.NewReader(buf))
+	for scan.Scan() {
+		lines = append(lines, scan.Text())
+	}
+	return lines
+}

util/strings_test.go

@@ -0,0 +1,20 @@
+package util_test
+
+import (
+	"github.com/rwxrob/bonzai/each"
+	"github.com/rwxrob/bonzai/util"
+)
+
+func ExampleLines() {
+	buf := `
+some
+
+thing 
+here
+
+mkay
+`
+	each.Print(util.Lines(buf))
+	// Output:
+	// something heremkay
+}