Delphi Return Result of comparison

Question

Is there such a function in Delphi that will return the result of a comparison.

Example:

label.visible := evaluate(1 > 3);

I have searched but I don't know what that would be called.

1 > 3 is a boolean operation, and the result of the comparison can be directly assigned to the Visible property. Label1.Visible := 1 > 3;. This isn't an actual question, as it doesn't make sense; there's no function needed. — Ken White
– Ken White, Commented May 3, 2013 at 22:03
@KenWhite To be precise, it is an expression rather than an operation — David Heffernan
– David Heffernan, Commented May 3, 2013 at 22:04
@David: Gee. Once again, you got me. What did I do to invoke the minor syntax police this week? That's two nitpicks (1 totally uncalled for and inaccurate) today from you. — Ken White
– Ken White, Commented May 3, 2013 at 22:07
@KenWhite Details are important and I'm not aware of any inaccuracies in my nitpicks. I'd like to be corrected if I got something wrong. — David Heffernan
– David Heffernan, Commented May 3, 2013 at 22:12

bummi · Accepted Answer · 2013-05-03 22:01:09Z

7

There is no need for a Function you can just write

label.visible := 1 > 3;

since 1 > 3 is a boolean expression.

answered May 3, 2013 at 22:01

bummi

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5 Comments

Chris Valentine Over a year ago

Thanks. I tried this and it errored out. Musta been a syntax error.

Chris Valentine Over a year ago

Ya. Label was just for this example.

TLama Over a year ago

@Chris, or, uhm, you might use the CompareValue function from Math unit, with which you'd write a code like this, but it's like cutting an apple with a chain saw.

Marjan Venema Over a year ago

@TLama +1 for they apple and chain saw analogy.

Chris Valentine Over a year ago

Working with nothing special is fine by me.

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