Nix言語 - sorutrt

Nix言語

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Functions

Also known as “@ pattern”, “@ syntax”, or “‘at’ syntax”.

code:nix-repl.nix

nix-repl> let f={a,b,...}: a+b; in f {a=1;b=2;}

nix-repl> let f={a,b,...}: a+b; in f {a=2;b=2;}

nix-repl> let f={a,b,...}: a+b; in f {a=2;b=2;c=1}

error: syntax error, unexpected '}', expecting ';'

at «string»:1:40:

1| let f={a,b,...}: a+b; in f {a=2;b=2;c=1}

| ^

nix-repl> let f={a,b,...}: a+b; in f {a=2;b=2;c=1;}

nix-repl> let f={a,b,...}:@args a+b+args.c; in f {a=2;b=2;c=1;}

error: syntax error, unexpected '@'

at «string»:1:17:

1| let f={a,b,...}:@args a+b+args.c; in f {a=2;b=2;c=1;}

| ^

nix-repl> let f={a,b,...}@args: a+b+args.c; in f {a=2;b=2;c=1;}