1. remove some stdmod functions for the latest Go version 2. add .travis.yml

.travis.yml

@@ -0,0 +1,10 @@
+language: go
+
+go:
+  - 1.9
+
+install:
+  - make dep
+
+script:
+  - make test

compiler/stdlib/math.go

@@ -34,8 +34,6 @@ var mathModule = map[string]objects.Object{
 	"dim":       FuncAFFRF(math.Dim),
 	"erf":       FuncAFRF(math.Erf),
 	"erfc":      FuncAFRF(math.Erfc),
-	"erfcinv":       FuncAFRF(math.Erfcinv),
-	"erfinv":        FuncAFRF(math.Erfinv),
 	"exp":       FuncAFRF(math.Exp),
 	"exp2":      FuncAFRF(math.Exp2),
 	"expm1":     FuncAFRF(math.Expm1),
@@ -63,8 +61,6 @@ var mathModule = map[string]objects.Object{
 	"pow":       FuncAFFRF(math.Pow),
 	"pow10":     FuncAIRF(math.Pow10),
 	"remainder": FuncAFFRF(math.Remainder),
-	"round":         FuncAFRF(math.Round),
-	"round_to_even": FuncAFRF(math.RoundToEven),
 	"signbit":   FuncAFRB(math.Signbit),
 	"sin":       FuncAFRF(math.Sin),
 	"sinh":      FuncAFRF(math.Sinh),

compiler/stdlib/os.go

@@ -48,8 +48,6 @@ var osModule = map[string]objects.Object{
 	"clearenv": FuncAR(os.Clearenv),
 	// environ() => array(string)
 	"environ": FuncARSs(os.Environ),
-	// executable() => string/error
-	"executable": &objects.UserFunction{Value: osExecutable},
 	// exit(code int)
 	"exit": FuncAIR(os.Exit),
 	// expand_env(s string) => string
@@ -104,8 +102,6 @@ var osModule = map[string]objects.Object{
 	"truncate": FuncASI64RE(os.Truncate),
 	// unsetenv(key string) => error
 	"unsetenv": FuncASRE(os.Unsetenv),
-	// user_cache_dir() => string/error
-	"user_cache_dir": FuncARSE(os.UserCacheDir),
 	// create(name string) => imap(file)/error
 	"create": &objects.UserFunction{Value: osCreate},
 	// open(name string) => imap(file)/error
@@ -116,21 +112,6 @@ var osModule = map[string]objects.Object{
 	"find_process": &objects.UserFunction{Value: osFindProcess},
 	// start_process(name string, argv array(string), dir string, env array(string)) => imap(process)/error
 	"start_process": &objects.UserFunction{Value: osStartProcess},
-
-	// TODO: implemented more functions
-	//"stdin":         nil,
-	//"stdout":        nil,
-	//"stderr":        nil,
-	//"chtimes":       nil,
-	//"expand":        nil,
-	//"is_exists":     nil,
-	//"is_not_exist":  nil,
-	//"is_path_separator": nil,
-	//"is_permission": nil,
-	//"is_timeout": nil,
-	//"new_syscall_error": nil,
-	//"pipe": nil,
-	//"same_file": nil,
 }
 
 func osArgs(args ...objects.Object) (objects.Object, error) {