isA

Tests whether an object is a type or trait.

Target member

Signature

1object->isA(name::tag)

Tests whether an object is a type or trait.

isA is called with member syntax on a receiver value. isA belongs to the object model. Use type constraints to document the value you expect and member syntax when behavior naturally belongs to an object.

Parameters

name: Required value of type tag. Supply name positionally unless the signature shows a keyword form.

Examples

Basic call

1'x'->isA(::string)

The example shows the normal call shape. Adapt variable names, validation, and surrounding error handling to the context.