i4.fromEnvironment constructor
4-bit Signed Integer
-8
to 7
Returns the integer value of the given environment declaration name
.
The result is the same as would be returned by:
i4(int.tryParse(const String.fromEnvironment(name, defaultValue: ""))
?? defaultValue)
Example:
i4.fromEnvironment("defaultPort", defaultValue: 80)
Implementation
factory i4.fromEnvironment(String name, {int defaultValue = 0}) {
return i4(
int.fromEnvironment(
name,
defaultValue: defaultValue.toSigned(4),
),
);
}