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Question by Xavier78 · Mar 02, 2016 at 04:57 AM · c#functionif-statementsparameters

Is this bug known? function parameter s and if statements c#

So if you have a function parameter, and there is a if greater then or equals to such as this

 public void yes (float amount) {
     if (amount => 0.5)
     {
     }
 } 

it will give back the error

 error CS0136: A local variable named 'amount' cannot be declared in this scope because it would give a different meaning to 'amount', which is already used in a 'parent or current' scope to denote something else

but take away the = and its sine?

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avatar image Veerababu.g · Mar 02, 2016 at 11:04 AM 0
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may be your script already contains amount variable.

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Best Answer

Answer by EvilTak · Mar 02, 2016 at 01:02 PM

That's not a bug, that's a syntactical error on your part.

The => operator is used to define inline anonymous lambdas, which are basically anonymous functions that take one or more parameters and return a value.

So amount => 0.5 is actually

 // The ? is because the compiler can't infer the type of the argument
 delegate(? amount) {
     return 0.5;
 }

Since you've already defined the amount variable before, the compiler can't use the same name for the anonymous function parameter.

I think you meant amount >= 0.5f (You should put the f after every number because Unity works with floats and not doubles).

Remember, the conditional operator ( < or >) always comes before the = in a less/greater than equal to operator ( <= and >=)

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