abrahampost / butter Goto Github PK

 panic: runtime error: index out of range

goroutine 1 [running]:
main.(*Tokenizer).Advance(...)
        /Users/Knoble/go/src/github.com/abrahampost/Butter/tokenizer.go:413
main.(*Tokenizer).Tokenize(0xc00009ddb0, 0x0, 0x0, 0x0)
        /Users/Knoble/go/src/github.com/abrahampost/Butter/tokenizer.go:253 +0x1cb0
main.Run(0x0, 0x0, 0x1)
        /Users/Knoble/go/src/github.com/abrahampost/Butter/main.go:83 +0x99
main.RunPrompt()
        /Users/Knoble/go/src/github.com/abrahampost/Butter/main.go:73 +0x2a4
main.main()
        /Users/Knoble/go/src/github.com/abrahampost/Butter/main.go:38 +0xcd

> float b := 5
RUNTIME_ERROR: TypeError -> cannot assign int to float type
> float b := 5.0
RUNTIME_ERROR: Variable 'b' already initialized in this scope
> b
5

$ ./Butter
Butterv0.1 (repl)
> string a := "a"
> a
a
> a := 5
RUNTIME_ERROR: Cannot assign value to int type

> float a := 5
RUNTIME_ERROR: TypeError -> cannot assign int to float type
> a
RUNTIME_ERROR: Undefined variable: a
> int a := 5
> a
5
> a := 5.0
RUNTIME_ERROR: Cannot assign float to int type
> a := 6
RUNTIME_ERROR: Cannot assign int to float type
> a
6
>