functionprototypeline

noun
UK /ˈfʌŋkʃən ˈprəʊtətaɪp laɪn/
US /ˈfʌŋkʃən ˈproʊtətaɪp laɪn/

A line in a computer program that tells the computer the name of a function and what kind of information it takes and gives back.

The programmer added a functionprototypeline at the top of the file so the compiler would know about the function before it was used.


OTHER MEANINGS

2. A single row in a table that describes the expected inputs and outputs of a function.

Each functionprototypeline in the documentation listed the argument types and the return value.

3. A line of code that announces a function before its full body appears later in the program.

She moved the functionprototypeline above main so the call would compile cleanly.

4. A formal statement in a specification that defines the interface of a function.

The API guide included a functionprototypeline for every public method.