Simple. Embeddable. Yours.
Velo Lang is a functional, strict-typed compilable programming language. It runs on top of lightweight stack virtual machine.
Hello, World! This is simple Velo program
auto hello = "Hello, World!";
println(hello);
Data types There are several data types supported for now
str s = "s";
bool b = true;
int i = 1;
float f = 3.0;
auto l = sliceOf[slice[int]]();
auto n = func() void {};
Functions and lambdas. Velo lang supports functions
func functionName(int a, int b) int {
a + b;
};
println(functionName(1, 2));
... and lambdas
auto lambda = func(int a, int b) int {
a + b;
};
println(lambda(1, 2));
Recursive calls are also supported
func fib(int n) int {
if n < 2 then n else fib(n - 1) + fib(n - 2);
};
println(fib(15));
Conditional operators If-then-else
int a = 5;
if a == 2 then "two" else "not two";
auto s = if a == 2 then {
"two"
} else {
"not two"
};
println(s);
Cycles
int i = 1;
while (i <= 5) {
println(i);
i = i + 1;
};
Slices
auto s = sliceOf[int](37, 58, 25, 17, 19);
println(s.len); # 5
println(s[3]); # 17
println(s.sub(1, 4)[1]); # 25
auto ns = s.map(
func(int i, int v) int {
i + v
}
);
println(ns[3]); # 20
Strings
str s = "Test String";
println(s.len); # 11
println(s.sub(5, 11)); # String
You can run sample programs from resources by adding argument, started with res:// and sample name. For example: res://primes.vel
To compile and run program from file you need to specify file path started with file:// and sample name. For example: file://home/user/primes.vel
MIT License
Copyright (c) 2024 Igor Solkin
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.