William Roe
54a326f046
Make os.get_env consistent across Unixes This matches the function name and API from env_windows.odin and os_linux.odin, which should be the same everywhere. Meaning: * named get_env and not getenv * return a string (empty if the environment variable is not found) * accept a default value parameter for the allocator (defaulting to context.allocator) * calls lookup_env which returns an extra found boolean value This is so that you don't have to write platform/OS conditionals when getting environment variable values from the stdlib os.get_env/getenv function.
The Data-Oriented Language for Sane Software Development.
The Odin Programming Language
Odin is a general-purpose programming language with distinct typing, built for high performance, modern systems, and built-in data-oriented data types. The Odin Programming Language, the C alternative for the joy of programming.
Website: https://odin-lang.org/
package main
import "core:fmt"
main :: proc() {
program := "+ + * 😃 - /"
accumulator := 0
for token in program {
switch token {
case '+': accumulator += 1
case '-': accumulator -= 1
case '*': accumulator *= 2
case '/': accumulator /= 2
case '😃': accumulator *= accumulator
case: // Ignore everything else
}
}
fmt.printf("The program \"%s\" calculates the value %d\n",
program, accumulator)
}
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