Word description Allocates values on the call stack, calls the quotation, then copies all stack allocated values to the data heap after the quotation returns.
A scoped allocation specifier is either:
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a C type name,
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or a triple with shape { c-type initial: initial }, where c-type is a C type name and initial is a literal value.
If no initial value is specified, the contents of the allocated memory are undefined.
Warning Reading or writing a scoped allocation buffer outside of the given quotation will cause memory corruption.