sigzap, `~!`, %sgzp

[Short description]

~! is a natural rune for debugging uses only, semantically equivalent to its own twig q. If compilation fails within q, ~! will show the type of p on the stacktrace.

Produces

Twig: [%sgzp p=twig q=twig]

Sample

p is a twig q is a twig

Tall form

~!  p
    q

Wide form

~!(p q)

Irregular form

None

Examples

~zod/try=> a
! -find-limb.a
! find-none
! exit
~zod/try=> ~!('foo' a)
! @t
! -find-limb.a
! find-none
! exit

When trying to compute an unassigned variable, a we produce the type of 'foo', @t.

~zod/try=> ~!(%foo a)
! %foo
! -find-limb.a
! find-none
! exit

Again, we use our unassigned variable a and the cube %foo, whose type is in fact %foo.

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sigzap, ~!, %sgzp