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#!/usr/bin/env osh
.LANGUAGE: program
errors = false
################################################
# Simple arithmetic
#
f(x) =
value x * 4
y = f(1 + 2)
if $(not $(equal $y, 12))
eprintln($"f(1 + 2) evaluates to $y, expected 12")
errors = true
export
################################################
# $-style applications use normal syntax
#
f(x) =
value $">>>$x<<<"
y = $(f 1 + 2)
s = $'''>>>1 + 2<<<'''
if $(not $(equal $y, $s))
eprintln($"$$(f 1 + 2) evaluates to $y, expected $s")
errors = true
export
################################################
# Shell expressions use normal syntax
#
echo 1 + 2
################################################
# Program exit
#
if errors
exit 1
|
