Function $float

$float(key: string, def?: number): number
Retrieves a floating-point number value from an environment variable.
Parameters
- key: string
  The name of the environment variable
- Optionaldef: number
  Optional default number value to use if the environment variable is not set
Returns number
The floating-point number value parsed from the environment variable

Throws
Will throw an error if the environment variable is missing and no default is provided
- Defined in float.ts:10