WOLFRAM

Wolfram Language & System Documentation Center

TypeHint[expr,type]

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

Details
Details and Options Details and Options
Examples  
Basic Examples  
See Also
Tech Notes
Related Guides
History
Cite this Page

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:

TypeHint evaluates to its first argument:

TypeHint uses the type specification when compiled:

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_2025_typehint, author="Wolfram Research", title="{TypeHint}", year="2022", howpublished="\url{https://reference.wolfram.com/language/ref/TypeHint.html}", note=[Accessed: 11-August-2025]}

BibLaTeX

@online{reference.wolfram_2025_typehint, organization={Wolfram Research}, title={TypeHint}, year={2022}, url={https://reference.wolfram.com/language/ref/TypeHint.html}, note=[Accessed: 11-August-2025]}