rucksack library Null safety
A collection of helper functions and utilities aimed to make code easier to read.
Functions
-
cast<
T> (dynamic x) → T? -
Casts
x
to the specified typeT
if it is an instance ofT
. Null ifx
is not an instance ofT
[...] -
isBlank(
String? v) → bool -
True if the provided String value
v
is null or blank (whitespace only) [...] -
isEmpty(
Iterable? ittr) → bool -
True if the provided
ittr
Iterable is null or Iterable.isEmpty [...] -
isFalse(
bool? value) → bool -
True if the boolean
value
is false [...] -
isNotBlank(
String? v) → bool -
True if the provided String value
v
is not null and is not blank (whitespaces) [...] -
isNotEmpty(
Iterable? ittr) → bool -
True if the provided
ittr
Iterable is not null and is Iterable.isNotEmpty [...] -
isNotNull(
dynamic value) → bool -
True if the dynamic
value
is not null [...] -
isNull(
dynamic value) → bool -
True if the dynamic
value
is null [...] -
isTrue(
bool? value) → bool -
True if the boolean
value
is true [...]