Typing environment

In type theory a typing environment (or typing context) represents the association between variable names and data types.

More formally an environment is a set or ordered list of pairs , usually written as , where is a variable and its type.

The judgement

is read as " has type in context ".[1]

For each function body type checks:

Typing Rules Example:

In statically typed programming languages these environments are used and maintained by typing rules to type check a given program or expression.[1]

See also

References

This article is issued from Wikipedia. The text is licensed under Creative Commons - Attribution - Sharealike. Additional terms may apply for the media files.