Function cmp

external/.scrollLibs.js:1095–1097

(a, b)

  // Compare two positions, return 0 if they are the same, a negative
  // number when a is less, and a positive number otherwise.
  function cmp(a, b) {
    return a.line - b.line || a.ch - b.ch
  }

  function equalCursorPos(a, b) {
    return a.sticky == b.sticky && cmp(a, b) == 0