tengo

package module
Version: v1.24.8 Latest Latest
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Published: Oct 25, 2019 License: MIT Imports: 0 Imported by: 1

README

The Tengo Language

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Tengo is a small, dynamic, fast, secure script language for Go.

Tengo is fast and secure because it's compiled/executed as bytecode on stack-based VM that's written in native Go.

/* The Tengo Language */

fmt := import("fmt")

each := func(seq, fn) {
    for x in seq { fn(x) }
}

sum := func(init, seq) {
    each(seq, func(x) { init += x })
    return init
}

fmt.println(sum(0, [1, 2, 3]))   // "6"
fmt.println(sum("", [1, 2, 3]))  // "123"

Run this code in the Playground

Features

Benchmark

fib(35) fibt(35) Type
Go 48ms 3ms Go (native)
Tengo 2,349ms 5ms VM on Go
Lua 1,416ms 3ms Lua (native)
go-lua 4,402ms 5ms Lua VM on Go
GopherLua 4,023ms 5ms Lua VM on Go
Python 2,588ms 26ms Python (native)
starlark-go 11,126ms 6ms Python-like Interpreter on Go
gpython 15,035ms 4ms Python Interpreter on Go
goja 5,089ms 5ms JS VM on Go
otto 68,377ms 11ms JS Interpreter on Go
Anko 92,579ms 18ms Interpreter on Go

* fib(35): Fibonacci(35)
* fibt(35): tail-call version of Fibonacci(35)
* Go does not read the source code from file, while all other cases do
* See here for commands/codes used

References

Documentation

Index

Constants

This section is empty.

Variables

View Source
var (
	// MaxStringLen is the maximum byte-length for string value.
	// Note this limit applies to all compiler/VM instances in the process.
	MaxStringLen = 2147483647

	// MaxBytesLen is the maximum length for bytes value.
	// Note this limit applies to all compiler/VM instances in the process.
	MaxBytesLen = 2147483647
)

Functions

This section is empty.

Types

This section is empty.

Source Files

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