closure test

x.js

testcase.js

/*
 * Demo func
 * @param {yes:function()} config
 */
function foo(config){
  if(config.yes()){
    return true;
  } else {
    return false;
  }
}


testcase:

java -jar /home/chris/JavaScript/closure-compiler/compiler.jar \
     --jscomp_dev_mode EVERY_PASS \
     --warning_level VERBOSE \
     --compilation_level ADVANCED_OPTIMIZATIONS  \
     --jscomp_error checkTypes \
     --js_output_file /dev/null \
     --js testcase.js \


$ sh testcase
testcase.js:6: ERROR - Property yes never defined on config
  if(config.yes()){
     ^

1 error(s), 0 warning(s), 57.1% typed