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tests/cases/compiler/functionOverloadAmbiguity1.ts(4,18): error TS2339: Property 'length' does not exist on type 'number'.
==== tests/cases/compiler/functionOverloadAmbiguity1.ts (1 errors) ====
function callb(lam: (l: number) => void );
function callb(lam: (n: string) => void );
function callb(a) { }
callb((a) => { a.length; } ); // error, chose first overload
~~~~~~
!!! error TS2339: Property 'length' does not exist on type 'number'.
function callb2(lam: (n: string) => void );
function callb2(lam: (l: number) => void );
function callb2(a) { }
callb2((a) => { a.length; } ); // ok, chose first overload
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