# Invalid Declarations

All errors should be collected, printed and exit with 1.

Malformed YAML:

    ---
    id: fn1
    fail
    ...
    1 + 1

Empty YAML:

    ---
    ...
    1 + 1

Empty YAML and code:

    ---
    ...

Misses id:

    ---
    identifier: fn1
    ...
    1 + 1

Wrong id (doesn't starts with `%a`):

    ---
    id: 1
    ...
    1 + 1

Wrong id (doesn't follows with `[_%w]`):

    ---
    id: f-1
    ...
    1 + 1

Wrong id (more than 1 word):

    ---
    id: f n1
    ...
    1 + 1

Invalid value:

    ---
    id: fn1
    shift: "true"
    ...
    1 + 1

Invalid path:

    ---
    id: fn1
    dump: invalid/path.txt
    ...
    1 + 1

Extra key:

    ---
    id: fn1
    language: fennel
    ...
    1 + 1

Uknown lang:

    ---
    id: fn1
    lang: fail
    ...
    1 + 1

Uknown cmd:

    ---
    id: fn1
    cmd: piton -E -X utf8
    ...
    1 + 1

Empty code:

    ---
    id: fn1
    ...

Misses arg:

    ---
    id: fn1
    ...
    #a + #b

Infinite loop:

    ---
    id: fn1
    args:
      x: 1
    ...
    `fn1(2)` * #x

Invalid code:

    ---
    id: fn1
    ...
    false + false

# Declarations With Invalid Calls:

    ---
    id: fn1
    typed: true
    args:
      a: 1
      b: 2
    ...
    #a * #b

# Invalid Calls

-   `fn1(` never end
-   `fn1(invalid arg)`
-   `fn1()` misses args
-   `fn1(1)` less args
-   `fn1(1, 2, 3)` extra args
-   `fn1(x: 3, y: 4)` wrong kwargs
-   `fn1(1, a: 2)` mixed arg and kwarg
-   `fn1(a: 1.0, b: 2.0)` misses type
-   `fn2()` not declared