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TypeHint[expr,type]

represents an expression of a specified type when compiled and gives expr when evaluated.

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TypeHint   

Listing of Compiled Types »

TypeHint[expr,type]

represents an expression of a specified type when compiled and gives expr when evaluated.

Details

  • TypeHint can be useful to migrate evaluated code to the compiler.
  • TypeHint is useful to specify types inside the body of a function.
  • The types used in TypeHint are the same as those used in Typed.

Examples

Basic Examples  (1)

Define a function that uses TypeHint:

Wolfram Language code: func = Function[{}, TypeHint[1, "UnsignedInteger8"]];

TypeHint evaluates to its first argument:

Wolfram Language code: func[]

TypeHint uses the type specification when compiled:

Wolfram Language code: funcComp = FunctionCompile[func]
Wolfram Language code: funcComp[]
Wolfram Research (2022), TypeHint, Wolfram Language function, https://reference.wolfram.com/language/ref/TypeHint.html.

Text

Wolfram Research (2022), TypeHint, Wolfram Language function, https://reference.wolfram.com/language/ref/TypeHint.html.

CMS

Wolfram Language. 2022. "TypeHint." Wolfram Language & System Documentation Center. Wolfram Research. https://reference.wolfram.com/language/ref/TypeHint.html.

APA

Wolfram Language. (2022). TypeHint. Wolfram Language & System Documentation Center. Retrieved from https://reference.wolfram.com/language/ref/TypeHint.html

BibTeX

@misc{reference.wolfram_2026_typehint, author="Wolfram Research", title="{TypeHint}", year="2022", howpublished="\url{https://reference.wolfram.com/language/ref/TypeHint.html}", note=[Accessed: 12-June-2026]}

BibLaTeX

@online{reference.wolfram_2026_typehint, organization={Wolfram Research}, title={TypeHint}, year={2022}, url={https://reference.wolfram.com/language/ref/TypeHint.html}, note=[Accessed: 12-June-2026]}