feat: Finish Part 1

master
Bobson Lin 5 years ago
parent 8d731f6c4a
commit dc9e0ed963

11
.gitignore vendored

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# Files and directories created by pub
.dart_tool/
.packages
# Remove the following pattern if you wish to check in your lock file
# pubspec.lock
# Conventional directory for build outputs
build/
# Directory created by dartdoc
doc/api/

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## 1.0.0
- Initial version, created by Stagehand

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# dart_basics
Dart Basics
======
```
$ dart bin/main.dart
```

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# Defines a default set of lint rules enforced for
# projects at Google. For details and rationale,
# see https://github.com/dart-lang/pedantic#enabled-lints.
include: package:pedantic/analysis_options.yaml
# For lint rules and documentation, see http://dart-lang.github.io/linter/lints.
# Uncomment to specify additional rules.
# linter:
# rules:
# - camel_case_types
analyzer:
# exclude:
# - path/to/excluded/files/**

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import 'package:dart_basics/basic_part1.dart' as part1;
main(List<String> arguments) {
// Part 1
part1.basic_build_in_types();
part1.basic_function();
}

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void basic_build_in_types() {
// Numbers - (int, double) num
// Booleans - true false
// Lists - Collections of items (aka arrays)
// Sets - Collection of unique items (Dart 2.2 )
// Maps - Collections with associated Key Value Pairs
// Strings - "Hello!" (single and double quotes)
// Runes - unicode character points
// Symbols - #symbol (simbolic metadata)
int x = 1;
int hex = 0xFA;
print("int: $x, hex int: $hex");
double y = 1.1;
double exponents = 1.42e5;
print("double: $y, exponents: $exponents");
// String <=> int
int one = int.parse('1');
assert(one == 1);
String oneAsString = 1.toString();
assert(oneAsString == '1');
// String <=> double
double onePointOne = double.parse('1.1');
assert(onePointOne == 1.1);
String piAsString = 3.14159.toStringAsFixed(2);
assert(piAsString == '3.14');
// Bitwise
assert((3 << 1) == 6); // 0011 << 1 == 0110
assert((3 >> 1) == 1); // 0011 >> 1 == 0001
assert((3 | 4) == 7); // 0011 | 0100 == 0111
// Check for zero.
int hitPoints = 0;
assert(hitPoints <= 0);
print("hitPoints <= 0? ${hitPoints <= 0}");
print("\nDart List:");
// List & Generics()
List<String> fruits = ['bananas', 'grapes', 'oranges'];
print(fruits);
print("fruits.length: ${fruits.length}");
print("fruits[1]: ${fruits[1]}");
fruits[1] = "apples";
print(fruits);
fruits.sort();
print(fruits);
fruits = fruits.map((String fruit) {
return fruit.substring(0, fruit.length - 1);
}).toList();
print(fruits);
print("\nDart Set:");
// Set
Set<String> halogens = {'fluorine', 'chlorine', 'bromine', 'iodine', 'astatine'}; //
print(halogens);
var elements = <String>{};
elements.add('fluorine');
elements.addAll(halogens);
print("\nDart Map:");
// Map
Map gifts = {
// Key: Value
'first': 'partridge',
'second': 'turtledoves',
'fifth': 'golden rings'
};
print("gifts.length: ${gifts.length}");
print("gifts['first']: ${gifts['first']}");
//
Map<int, String> nobleGases = {
2: 'helium',
10: 'neon',
18: 'argon',
};
print(nobleGases.containsValue("argon"));
}
void basic_function() {
print("\nDart Function:");
// Function
dynamic_add(a, b) {
return a + b;
}
print(dynamic_add(1, 2));
print(dynamic_add(20.0, 40.0));
print(dynamic_add("a", "b"));
int add(int a, int b) {
return a + b;
}
Function func = add;
var result = func(20, 30);
print("func result is $result");
Map ops = {
'add': add,
'sub': (int a, int b) => a - b,
};
result = ops['sub'](6, 10);
print("ops sub result: $result");
}

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# Generated by pub
# See https://www.dartlang.org/tools/pub/glossary#lockfile
packages:
analyzer:
dependency: transitive
description:
name: analyzer
url: "https://pub.dartlang.org"
source: hosted
version: "0.35.3"
args:
dependency: transitive
description:
name: args
url: "https://pub.dartlang.org"
source: hosted
version: "1.5.1"
async:
dependency: transitive
description:
name: async
url: "https://pub.dartlang.org"
source: hosted
version: "2.0.8"
boolean_selector:
dependency: transitive
description:
name: boolean_selector
url: "https://pub.dartlang.org"
source: hosted
version: "1.0.4"
charcode:
dependency: transitive
description:
name: charcode
url: "https://pub.dartlang.org"
source: hosted
version: "1.1.2"
collection:
dependency: transitive
description:
name: collection
url: "https://pub.dartlang.org"
source: hosted
version: "1.14.11"
convert:
dependency: transitive
description:
name: convert
url: "https://pub.dartlang.org"
source: hosted
version: "2.1.1"
crypto:
dependency: transitive
description:
name: crypto
url: "https://pub.dartlang.org"
source: hosted
version: "2.0.6"
csslib:
dependency: transitive
description:
name: csslib
url: "https://pub.dartlang.org"
source: hosted
version: "0.14.6"
front_end:
dependency: transitive
description:
name: front_end
url: "https://pub.dartlang.org"
source: hosted
version: "0.1.13"
glob:
dependency: transitive
description:
name: glob
url: "https://pub.dartlang.org"
source: hosted
version: "1.1.7"
html:
dependency: transitive
description:
name: html
url: "https://pub.dartlang.org"
source: hosted
version: "0.13.4+1"
http:
dependency: transitive
description:
name: http
url: "https://pub.dartlang.org"
source: hosted
version: "0.12.0+1"
http_multi_server:
dependency: transitive
description:
name: http_multi_server
url: "https://pub.dartlang.org"
source: hosted
version: "2.0.5"
http_parser:
dependency: transitive
description:
name: http_parser
url: "https://pub.dartlang.org"
source: hosted
version: "3.1.3"
io:
dependency: transitive
description:
name: io
url: "https://pub.dartlang.org"
source: hosted
version: "0.3.3"
js:
dependency: transitive
description:
name: js
url: "https://pub.dartlang.org"
source: hosted
version: "0.6.1+1"
json_rpc_2:
dependency: transitive
description:
name: json_rpc_2
url: "https://pub.dartlang.org"
source: hosted
version: "2.0.9"
kernel:
dependency: transitive
description:
name: kernel
url: "https://pub.dartlang.org"
source: hosted
version: "0.3.13"
logging:
dependency: transitive
description:
name: logging
url: "https://pub.dartlang.org"
source: hosted
version: "0.11.3+2"
matcher:
dependency: transitive
description:
name: matcher
url: "https://pub.dartlang.org"
source: hosted
version: "0.12.3+1"
meta:
dependency: transitive
description:
name: meta
url: "https://pub.dartlang.org"
source: hosted
version: "1.1.7"
mime:
dependency: transitive
description:
name: mime
url: "https://pub.dartlang.org"
source: hosted
version: "0.9.6+2"
multi_server_socket:
dependency: transitive
description:
name: multi_server_socket
url: "https://pub.dartlang.org"
source: hosted
version: "1.0.2"
node_preamble:
dependency: transitive
description:
name: node_preamble
url: "https://pub.dartlang.org"
source: hosted
version: "1.4.4"
package_config:
dependency: transitive
description:
name: package_config
url: "https://pub.dartlang.org"
source: hosted
version: "1.0.5"
package_resolver:
dependency: transitive
description:
name: package_resolver
url: "https://pub.dartlang.org"
source: hosted
version: "1.0.10"
path:
dependency: transitive
description:
name: path
url: "https://pub.dartlang.org"
source: hosted
version: "1.6.2"
pedantic:
dependency: "direct dev"
description:
name: pedantic
url: "https://pub.dartlang.org"
source: hosted
version: "1.5.0"
plugin:
dependency: transitive
description:
name: plugin
url: "https://pub.dartlang.org"
source: hosted
version: "0.2.0+3"
pool:
dependency: transitive
description:
name: pool
url: "https://pub.dartlang.org"
source: hosted
version: "1.4.0"
pub_semver:
dependency: transitive
description:
name: pub_semver
url: "https://pub.dartlang.org"
source: hosted
version: "1.4.2"
shelf:
dependency: transitive
description:
name: shelf
url: "https://pub.dartlang.org"
source: hosted
version: "0.7.4"
shelf_packages_handler:
dependency: transitive
description:
name: shelf_packages_handler
url: "https://pub.dartlang.org"
source: hosted
version: "1.0.4"
shelf_static:
dependency: transitive
description:
name: shelf_static
url: "https://pub.dartlang.org"
source: hosted
version: "0.2.8"
shelf_web_socket:
dependency: transitive
description:
name: shelf_web_socket
url: "https://pub.dartlang.org"
source: hosted
version: "0.2.2+4"
source_map_stack_trace:
dependency: transitive
description:
name: source_map_stack_trace
url: "https://pub.dartlang.org"
source: hosted
version: "1.1.5"
source_maps:
dependency: transitive
description:
name: source_maps
url: "https://pub.dartlang.org"
source: hosted
version: "0.10.8"
source_span:
dependency: transitive
description:
name: source_span
url: "https://pub.dartlang.org"
source: hosted
version: "1.5.5"
stack_trace:
dependency: transitive
description:
name: stack_trace
url: "https://pub.dartlang.org"
source: hosted
version: "1.9.3"
stream_channel:
dependency: transitive
description:
name: stream_channel
url: "https://pub.dartlang.org"
source: hosted
version: "1.6.8"
string_scanner:
dependency: transitive
description:
name: string_scanner
url: "https://pub.dartlang.org"
source: hosted
version: "1.0.4"
term_glyph:
dependency: transitive
description:
name: term_glyph
url: "https://pub.dartlang.org"
source: hosted
version: "1.1.0"
test:
dependency: "direct dev"
description:
name: test
url: "https://pub.dartlang.org"
source: hosted
version: "1.5.3"
test_api:
dependency: transitive
description:
name: test_api
url: "https://pub.dartlang.org"
source: hosted
version: "0.2.2"
test_core:
dependency: transitive
description:
name: test_core
url: "https://pub.dartlang.org"
source: hosted
version: "0.2.1+1"
typed_data:
dependency: transitive
description:
name: typed_data
url: "https://pub.dartlang.org"
source: hosted
version: "1.1.6"
utf:
dependency: transitive
description:
name: utf
url: "https://pub.dartlang.org"
source: hosted
version: "0.9.0+5"
vm_service_client:
dependency: transitive
description:
name: vm_service_client
url: "https://pub.dartlang.org"
source: hosted
version: "0.2.6"
watcher:
dependency: transitive
description:
name: watcher
url: "https://pub.dartlang.org"
source: hosted
version: "0.9.7+10"
web_socket_channel:
dependency: transitive
description:
name: web_socket_channel
url: "https://pub.dartlang.org"
source: hosted
version: "1.0.9"
yaml:
dependency: transitive
description:
name: yaml
url: "https://pub.dartlang.org"
source: hosted
version: "2.1.15"
sdks:
dart: ">=2.1.1-dev.0.0 <3.0.0"

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name: dart_basics
description: A sample command-line application.
# version: 1.0.0
# homepage: https://www.example.com
# author: Bobson Lin <email@example.com>
environment:
sdk: '>=2.1.0 <3.0.0'
#dependencies:
# path: ^1.4.1
dev_dependencies:
pedantic: ^1.0.0
test: ^1.0.0
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