C + + template templates

1. Declaration of Function Templates

Declaration Form

Template<typename data type parameter identifiers >

< return type >< function name > (parameter table)

{

function body

}

Note:

Template is the key word

<> fixed format

TypeName (or Class) is a keyword that declares a data type parameter

Data type parameters

2. Frequently Asked Questions

(1) function template allows multiple type parameters to be used

(2) No separate statements are allowed between the template statement and the function templates definition

(3) Template functions are similar to overloaded functions, the difference: function overloading can perform different actions, function templates perform the same action

C + + template templates