display_nerd_fonts.go

package main

import (
	"fmt"
	"os"
)

func forEachInRange(start, end int, title string, callback func(int)) {
	if start > end {
		fmt.Fprintf(os.Stderr, "start %q must be smaller than end %q", start, end)
		return
	}
	if start < end {
		fmt.Printf("%s (%x - %x):\n", title, start, end)
	} else {
		fmt.Printf("%s (%x):\n", title, start)
	}
	for hexCode := start; hexCode <= end; hexCode++ {
		callback(hexCode)
	}
	fmt.Println()
}

func main() {
	for _, line := range []struct{start, end int; title string}{
		{0x23fb, 0x23fe, "IEC Power Symbols"},
		{0x2665, 0x2665, "Octicons"},
		{0x26a1, 0x26a1, "Octicons"},
		{0x2b58, 0x2b58, "IEC Power Symbols"},
		{0xe000, 0xe00a, "Pomicons"},
		{0xe0a0, 0xe0a2, "Powerline"},
		{0xe0a3, 0xe0a3, "Powerline Extra"},
		{0xe0b0, 0xe0b3, "Powerline"},
		{0xe0b4, 0xe0c8, "Powerline Extra"},
		{0xe0ca, 0xe0ca, "Powerline Extra"},
		{0xe0cc, 0xe0d4, "Powerline Extra"},
		{0xe200, 0xe2a9, "Font Awesome Extension"},
		{0xe300, 0xe3eb, "Weather Icons"},
		{0xe5fa, 0xe631, "Seti-UI + Custom"},
		{0xe700, 0xe7c5, "Devicons"},
		{0xea60, 0xebeb, "Codicons"},
		{0xf000, 0xf2e0, "Font Awesome"},
		{0xf300, 0xf32f, "Font Logos (Formerly Font Linux)"},
		{0xf400, 0xf4a8, "Octicons"},
		{0xf4a9, 0xf4a9, "Octicons"},
		{0xf500, 0xfd46, "Material Design"},
	} {
		forEachInRange(line.start, line.end, line.title, func(hexCode int) { fmt.Printf("%c", hexCode) })
	}
}