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cppdraft/over/pre.md

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+[over.pre]
+
+# 12 Overloading [[over]](./#over)
+
+## 12.1 Preamble [over.pre]
+
+[1](#1)
+
+[#](http://github.com/Eelis/draft/tree/9adde4bc1c62ec234483e63ea3b70a59724c745a/source/overloading.tex#L9)
+
+[*Note [1](#note-1)*:
+
+Each of two or more entities with the same name in the same scope,
+which must be functions or function templates,
+is commonly called an “overload”[.](#1.sentence-1)
+
+— *end note*]
+
+[2](#2)
+
+[#](http://github.com/Eelis/draft/tree/9adde4bc1c62ec234483e63ea3b70a59724c745a/source/overloading.tex#L18)
+
+When a function is designated in a call, which function
+declaration is being referenced and the validity of the call
+are determined by comparing the types
+of the arguments at the point of use with the types of the parameters
+in the declarations in the overload set[.](#2.sentence-1)
+
+This function selection process is called[*overload resolution*](#def:overload_resolution "12.1 Preamble [over.pre]") and is defined in [[over.match]](over.match "12.2 Overload resolution")[.](#2.sentence-2)
+
+[*Note [2](#note-2)*:
+
+Overload sets are formed by [*id-expression*](expr.prim.id.general#nt:id-expression "7.5.5.1 General [expr.prim.id.general]")*s* naming functions and function templates and
+by [*splice-expression*](expr.prim.splice#nt:splice-expression "7.5.9 Expression splicing [expr.prim.splice]")*s* designating entities of the same kinds[.](#2.sentence-3)
+
+— *end note*]
+
+[*Example [1](#example-1)*:
+
+[🔗](#:overloading,example_of)
+
+double abs(double);int abs(int);
+
+abs(1); // calls abs(int); abs(1.0); // calls abs(double); — *end example*]