Function isDigit

src/utils/bash/bashParser.ts:234–236

(c: string)

}

function isDigit(c: string): boolean {
  return c >= '0' && c <= '9'
}

function isHexDigit(c: string): boolean {
  return isDigit(c) || (c >= 'a' && c <= 'f') || (c >= 'A' && c <= 'F')