diff options
| -rw-r--r-- | dart.html.markdown | 13 |
1 files changed, 12 insertions, 1 deletions
diff --git a/dart.html.markdown b/dart.html.markdown index 07f755f7..fb1856fd 100644 --- a/dart.html.markdown +++ b/dart.html.markdown @@ -503,6 +503,17 @@ example30() { } } +// Optional Positional Parameter +// parameter will be disclosed with square bracket [ ] & square bracketed parameter are optional. +example31() { + findVolume(int length, int breath, [int height]) { + print('length = $length, breath = $breath, height = $height'); + } + + findVolume(10,20,30); //valid + findVolume(10,20); //also valid +} + // Programs have only one entry point in the main function. // Nothing is expected to be executed on the outer scope before a program // starts running with what's in its main function. @@ -514,7 +525,7 @@ main() { example8, example9, example10, example11, example12, example13, example14, example15, example16, example17, example18, example19, example20, example21, example22, example23, example24, example25, example26, - example27, example28, example29, example30 + example27, example28, example29, example30, example31 ].forEach((ef) => ef()); } |