tutorials/rust-book
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Update enums script

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This commit is contained in:
Timothy Warren 2019-01-30 14:52:10 -05:00
parent 861134542a
commit 3ba5ffd976
3 changed files with 117 additions and 22 deletions
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1
.idea/vcs.xml generated
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@ -1,6 +1,7 @@
<?xml version="1.0" encoding="UTF-8"?>
<project version="4">
<component name="VcsDirectoryMappings">
<mapping directory="$PROJECT_DIR$" vcs="Git" />
<mapping directory="$PROJECT_DIR$/branches" vcs="Git" />
<mapping directory="$PROJECT_DIR$/ctof" vcs="Git" />
<mapping directory="$PROJECT_DIR$/enums" vcs="Git" />

46
.idea/workspace.xml generated
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@ -1,7 +1,9 @@
<?xml version="1.0" encoding="UTF-8"?>
<project version="4">
<component name="ChangeListManager">
<list default="true" id="c8f42924-1cd2-4b1c-bcff-602a3368bb16" name="Default Changelist" comment="" />
<list default="true" id="c8f42924-1cd2-4b1c-bcff-602a3368bb16" name="Default Changelist" comment="">
<change beforePath="$PROJECT_DIR$/.idea/vcs.xml" beforeDir="false" afterPath="$PROJECT_DIR$/.idea/vcs.xml" afterDir="false" />
</list>
<option name="EXCLUDED_CONVERTED_TO_IGNORED" value="true" />
<option name="SHOW_DIALOG" value="false" />
<option name="HIGHLIGHT_CONFLICTS" value="true" />
@ -10,24 +12,19 @@
</component>
<component name="FileEditorManager">
<leaf SIDE_TABS_SIZE_LIMIT_KEY="300">
<file pinned="false" current-in-tab="false">
<file pinned="false" current-in-tab="true">
<entry file="file://$PROJECT_DIR$/enums/src/main.rs">
<provider selected="true" editor-type-id="text-editor">
<state relative-caret-position="48">
<caret line="3" selection-start-line="3" selection-end-line="3" />
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</entry>
</file>
<file pinned="false" current-in-tab="true">
<entry file="file://$PROJECT_DIR$/.gitignore">
<provider selected="true" editor-type-id="text-editor" />
</entry>
</file>
</leaf>
</component>
<component name="FindInProjectRecents">
@ -56,6 +53,7 @@
<option value="$PROJECT_DIR$/structs/src/main.rs" />
<option value="$PROJECT_DIR$/rectangles/src/main.rs" />
<option value="$PROJECT_DIR$/.gitignore" />
<option value="$PROJECT_DIR$/enums/src/main.rs" />
</list>
</option>
</component>
@ -96,7 +94,7 @@
</component>
<component name="PropertiesComponent">
<property name="JavaScriptWeakerCompletionTypeGuess" value="true" />
<property name="com.android.tools.idea.instantapp.provision.ProvisionBeforeRunTaskProvider.myTimeStamp" value="1548875930471" />
<property name="com.android.tools.idea.instantapp.provision.ProvisionBeforeRunTaskProvider.myTimeStamp" value="1548877775987" />
<property name="javascript.nodejs.core.library.configured.version" value="7.1.0" />
<property name="js.eslint.eslintPackage" value="$USER_HOME$/.yarn-config/global/node_modules/.bin/eslint" />
<property name="js.eslint.nodeInterpreter" value="project" />
@ -214,8 +212,8 @@
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<editor active="true" />
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<window_info active="true" content_ui="combo" id="Project" order="0" sideWeight="0.49748462" visible="true" weight="0.2540132" />
<window_info id="Structure" order="1" sideWeight="0.5025154" side_tool="true" visible="true" weight="0.2540132" />
<window_info id="Image Layers" order="2" />
<window_info id="Designer" order="3" />
<window_info id="Capture Tool" order="4" />
@ -231,7 +229,7 @@
<window_info anchor="bottom" id="Docker" order="7" show_stripe_button="false" />
<window_info anchor="bottom" id="Version Control" order="8" />
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@ -345,19 +343,23 @@
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<caret line="44" lean-forward="true" selection-start-line="44" selection-end-line="44" />
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</entry>
<entry file="file://$PROJECT_DIR$/enums/src/main.rs">
<provider selected="true" editor-type-id="text-editor">
<state relative-caret-position="48">
<caret line="3" selection-start-line="3" selection-end-line="3" />
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<caret column="15" selection-start-column="15" selection-end-column="15" />
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<entry file="file://$PROJECT_DIR$/.gitignore">
<provider selected="true" editor-type-id="text-editor" />
</entry>
</component>
</project>

92
enums/src/main.rs
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@ -1,3 +1,95 @@
#[derive(Debug)]
enum UsState {
Alabama,
Alaska,
Arizona,
Arkansaw,
California,
Colorado,
Connecticut,
Delaware,
Florida,
Georgia,
Hawaii,
Idaho,
Illinois,
Indianan,
Iowa,
Kansas,
Kentucky,
Louisiana,
Maine,
Maryland,
Massachusetts,
Michigan,
Minnesota,
Mississippi,
Missouri,
Montana,
Nebraska,
Nevada,
New_Hampshire,
New_Jersey,
New_Mexico,
New_York,
North_Carolina,
North_Dakota,
Ohio,
Oklahoma,
Oregon,
Pennsylvania,
Rhode_Island,
South_Carolina,
South_Dakota,
Tennessee,
Texas,
Utah,
Vermont,
Virginia,
Washington,
West_Virginia,
Wisconsin,
Wyoming,
}
enum Coin {
Penny,
Nickel,
Dime,
Quarter(UsState),
}
fn value_in_cents(coin: Coin) -> u32 {
match coin {
Coin::Penny => {
println!("Lucky penny!");
1
},
Coin::Nickel => 5,
Coin::Dime => 10,
Coin::Quarter(state) => {
println!("State quarter from {:?}!", state);
25
},
}
}
fn count_non_quarters(count: &mut u32, coin: Coin) {
// If let is like matching on one condition of a match statement
if let Coin::Quarter(state) = coin {
println!("State quarter from {:?}!", state);
} else {
count += 1;
}
}
fn plus_one(x: Option<i32>) -> Option<i32> {
match x {
None => None, // Match is exhaustive, must define the 'None' case
Some(i) => Some(i + 1),
}
}
fn main() {
println!("Hello, world!");
}