orchid/notes.md

Anatomy of a code file

import std::io::(println, out) -- imports

-- single word substitution (alias)
greet == \name. printf out "Hello {}!\n" [name]

-- multi-word exported substitution with nonzero priority
export (...$pre ;) $a ...$post) =200=> (...$pre (greet $a) ...$post)

-- single-word exported substitution
export main == (
    print "What is your name? >>
    readln >>= \name.
    greet name
)