diff options
| -rw-r--r-- | dart.html.markdown | 16 |
1 files changed, 8 insertions, 8 deletions
diff --git a/dart.html.markdown b/dart.html.markdown index 69b1925b..4d2bf5ac 100644 --- a/dart.html.markdown +++ b/dart.html.markdown @@ -312,15 +312,15 @@ example14() { if (a) { print("true, a is $a"); } - a = null; + a = false; if (a) { - print("true, a is $a"); + print("true, a is $a"); } else { print("false, a is $a"); /// runs here } - /// dynamic typed null can be convert to bool - var b;/// b is dynamic type + /// dynamic typed null can not be convert to bool + var b; /// b is dynamic type b = "abc"; try { if (b) { @@ -331,17 +331,17 @@ example14() { } catch (e) { print("error, b is $b"); /// this could be run but got error } - b = null; - if (b) { + b = null; + if (b) { /// Failed assertion: boolean expression must not be null) print("true, b is $b"); } else { - print("false, b is $b"); /// runs here + print("false, b is $b"); } /// statically typed null can not be convert to bool var c = "abc"; c = null; - /// complie failed + /// compilation failed /// if (c) { /// print("true, c is $c"); /// } else { |