siggal, `~<`, %sggl

Hint to product

~< is a synthetic rune that applies arbitrary hint p to the product of q. ~< is similar to ~>, but computes q before applying the hint p.

Produces

Twig: [%sggl p=$|(term [p=term q=twig]) q=twig]

Sample

p is either a ++term or a ++term twig pair. q is a twig

Tall form

p=%foo:

    ~<  %foo
    q

p=[p=%foo q=bar]:

    ~<  %foo.bar
    q

Wide form

~<(%foo q)
~<(%foo.bar q)

Irregular form

None

Examples

~zod/try=> (make '~<(%a 42)')
[%7 p=[%1 p=42] q=[%10 p=97 q=[%0 p=1]]]
~zod/try=> (make '~<(%a.+(.) 42)')
[%7 p=[%1 p=42] q=[%10 p=[p=97 q=[%4 p=[%0 p=1]]] q=[%0 p=1]]]

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siggal, ~<, %sggl