Map - OtakoidTony/OtLang GitHub Wiki

<decl_map> ::= "map" <identifier> ":" NEWLINE 
    "input" ":" NEWLINE
        <decl_var>*
    "run":
        <var> "->" <expr>
    "output" ":" NEWLINE
        <decl_var>*

map map1:
    input:
        x:type=int, value=x
    run:
        x->2x
    output:
        x:type=int

map map2:
    input:
        x:type=str, value=x
    run:
        "Hello World!"->"Nice to meet you!"
        not "Hello World!"->"There is no world!"
    output:
        x:type=str