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optionalParamterAndVariableDeclaration2.ts(3,13): error TS2403: Subsequent variable declarations must have the same type. Variable 'options' must be of type 'number | undefined', but here has type 'number'.
==== optionalParamterAndVariableDeclaration2.ts (1 errors) ====
class C {
constructor(options?: number) {
var options = (options || 0);
~~~~~~~
!!! error TS2403: Subsequent variable declarations must have the same type. Variable 'options' must be of type 'number | undefined', but here has type 'number'.
!!! related TS6203 optionalParamterAndVariableDeclaration2.ts:2:17: 'options' was also declared here.
}
}
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