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Merge pull request #3435 from divayprakash/fix-dart

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[dart/en] Fix var/class/func naming, closes #2276
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Divay Prakash 2018-12-29 01:11:29 +05:30 committed by GitHub
commit b7509d84a4
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1 changed files with 34 additions and 34 deletions
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@ -25,42 +25,42 @@ import "dart:math" as DM;
// The fat arrow function declaration has an implicit return for the result of
// the expression.
example1() {
example1nested1() {
example1nested2() => print("Example1 nested 1 nested 2");
example1nested2();
nested1() {
nested2() => print("Example1 nested 1 nested 2");
nested2();
}
example1nested1();
nested1();
}
// Anonymous functions don't include a name.
example2() {
example2nested1(fn) {
nested1(fn) {
fn();
}
example2nested1(() => print("Example2 nested 1"));
nested1(() => print("Example2 nested 1"));
}
// When a function parameter is declared, the declaration can include the
// number of parameters the function takes by specifying the names of the
// parameters it takes.
example3() {
example3nested1(fn(informSomething)) {
fn("Example3 nested 1");
planA(fn(informSomething)) {
fn("Example3 plan A");
}
example3planB(fn) { // Or don't declare number of parameters.
planB(fn) { // Or don't declare number of parameters.
fn("Example3 plan B");
}
example3nested1((s) => print(s));
example3planB((s) => print(s));
planA((s) => print(s));
planB((s) => print(s));
}
// Functions have closure access to outer variables.
var example4Something = "Example4 nested 1";
example4() {
example4nested1(fn(informSomething)) {
nested1(fn(informSomething)) {
fn(example4Something);
}
example4nested1((s) => print(s));
nested1((s) => print(s));
}
// Class declaration with a sayIt method, which also has closure access
@ -81,9 +81,9 @@ example5() {
// Where classBody can include instance methods and variables, but also
// class methods and variables.
class Example6Class {
var example6InstanceVariable = "Example6 instance variable";
var instanceVariable = "Example6 instance variable";
sayIt() {
print(example6InstanceVariable);
print(instanceVariable);
}
}
example6() {
@ -92,12 +92,12 @@ example6() {
// Class methods and variables are declared with "static" terms.
class Example7Class {
static var example7ClassVariable = "Example7 class variable";
static var classVariable = "Example7 class variable";
static sayItFromClass() {
print(example7ClassVariable);
print(classVariable);
}
sayItFromInstance() {
print(example7ClassVariable);
print(classVariable);
}
}
example7() {
@ -110,40 +110,40 @@ example7() {
// or outside of class have to be constant. Strings and numbers are constant
// by default. But arrays and maps are not. They can be made constant by
// declaring them "const".
var example8A = const ["Example8 const array"],
example8M = const {"someKey": "Example8 const map"};
var example8Array = const ["Example8 const array"],
example8Map = const {"someKey": "Example8 const map"};
example8() {
print(example8A[0]);
print(example8M["someKey"]);
print(example8Array[0]);
print(example8Map["someKey"]);
}
// Loops in Dart take the form of standard for () {} or while () {} loops,
// slightly more modern for (.. in ..) {}, or functional callbacks with many
// supported features, starting with forEach.
var example9A = const ["a", "b"];
var example9Array = const ["a", "b"];
example9() {
for (var i = 0; i < example9A.length; i++) {
print("Example9 for loop '${example9A[i]}'");
for (var i = 0; i < example9Array.length; i++) {
print("Example9 for loop '${example9Array[i]}'");
}
var i = 0;
while (i < example9A.length) {
print("Example9 while loop '${example9A[i]}'");
while (i < example9Array.length) {
print("Example9 while loop '${example9Array[i]}'");
i++;
}
for (var e in example9A) {
for (var e in example9Array) {
print("Example9 for-in loop '${e}'");
}
example9A.forEach((e) => print("Example9 forEach loop '${e}'"));
example9Array.forEach((e) => print("Example9 forEach loop '${e}'"));
}
// To loop over the characters of a string or to extract a substring.
var example10S = "ab";
var example10String = "ab";
example10() {
for (var i = 0; i < example10S.length; i++) {
print("Example10 String character loop '${example10S[i]}'");
for (var i = 0; i < example10String.length; i++) {
print("Example10 String character loop '${example10String[i]}'");
}
for (var i = 0; i < example10S.length; i++) {
print("Example10 substring loop '${example10S.substring(i, i + 1)}'");
for (var i = 0; i < example10String.length; i++) {
print("Example10 substring loop '${example10String.substring(i, i + 1)}'");
}
}