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TypeHint   
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TypeHint

Listing of Compiled Types »

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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)Summary of the most common use cases

Define a function that uses TypeHint:

In[1]:=1
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https://wolfram.com/xid/0d6fvd0ieu-5gfvh

TypeHint evaluates to its first argument:

In[2]:=2
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https://wolfram.com/xid/0d6fvd0ieu-hama5d
Out[2]=2

TypeHint uses the type specification when compiled:

In[3]:=3
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https://wolfram.com/xid/0d6fvd0ieu-k4g3u9
Out[3]=3
In[4]:=4
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https://wolfram.com/xid/0d6fvd0ieu-r71lzn
Out[4]=4
Wolfram Research (2022), TypeHint, Wolfram Language function, https://reference.wolfram.com/language/ref/TypeHint.html.
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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.

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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.

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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

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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: 23-April-2025 ]}

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@misc{reference.wolfram_2025_typehint, author="Wolfram Research", title="{TypeHint}", year="2022", howpublished="\url{https://reference.wolfram.com/language/ref/TypeHint.html}", note=[Accessed: 23-April-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: 23-April-2025 ]}

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@online{reference.wolfram_2025_typehint, organization={Wolfram Research}, title={TypeHint}, year={2022}, url={https://reference.wolfram.com/language/ref/TypeHint.html}, note=[Accessed: 23-April-2025 ]}