F# Format Strings

F# Format Strings. Which is the equivalent of string.format in f #? How are structured values formatted in f #?

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Which is the equivalent of string.format in f #? Sep 18, 2020 · before string interpolation, to insert the value of an integer into a string we would do this: F# also allows structured values to be formatted as plain text.

Jul 12, 2012 · f# supports two distinct styles of formatting text:

The following table shows the escape sequence supported by f#. Interpolated strings can also have f# format specifiers to enforce type safety. The standard.net technique of “composite formatting” as seen in string.format, console.writeline and other places. The following two ways makes the compiler ignore the escape sequence − 1.

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You can also apply formatting that adheres to the rules for formattablestring:

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The number is 12. after the string interpolation update, we can place x directly inside the string literal like so:

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To escape a {}brace pair, write two of them like so:

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See full list on docs.microsoft.com

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Let x = 12 $the number is {x} // result:

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How to return a string in f #?

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In the previous example, the code mistakenly passes the age value where nameshould be, and vice/versa.

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The contents in between each {}brace pair can be any f# expression.

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Interpolated strings can also have f# format specifiers to enforce type safety.