Struct FlashMessage

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pub struct FlashMessage { /* private fields */ }
Expand description

A one-time user notification.

Flash messages are made of a Level and a string of content.
The message level can be used for filtering and rendering - for example:

  • Only show flash messages at info level or above in a production environment, while retaining debug level messages for local development;
  • Use different colours, in the UI, to display messages (e.g. red for errors, orange for warnings, etc.);

You can build a flash message via FlashMessage::new by specifying its content and Level. You can also use the shorter level-based constructors - e.g. FlashMessage::info.

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impl FlashMessage

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pub fn new(content: String, level: Level) -> Self

Build a FlashMessage by specifying its content and Level.

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pub fn content(&self) -> &str

The string content of this flash message.

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pub fn level(&self) -> Level

The Level of this flash message.

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pub fn info<S: Into<String>>(content: S) -> Self

Build an info-level FlashMessage by specifying its content.

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pub fn debug<S: Into<String>>(content: S) -> Self

Build a debug-level FlashMessage by specifying its content.

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pub fn success<S: Into<String>>(content: S) -> Self

Build a success-level FlashMessage by specifying its content.

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pub fn warning<S: Into<String>>(content: S) -> Self

Build a warning-level FlashMessage by specifying its content.

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pub fn error<S: Into<String>>(content: S) -> Self

Build an error-level FlashMessage by specifying its content.

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pub fn send(self)

Attach this FlashMessage to the outgoing request.

The message will be dropped if its Level is below the minimum level specified when configuring FlashMessagesFramework via FlashMessagesFrameworkBuilder::minimum_level.

This method will panic if FlashMessagesFramework has not been registered as a middleware.

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impl Clone for FlashMessage

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fn clone(&self) -> FlashMessage

Returns a copy of the value. Read more
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fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source. Read more
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impl<'de> Deserialize<'de> for FlashMessage

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fn deserialize<__D>(__deserializer: __D) -> Result<Self, __D::Error>
where __D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer. Read more
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impl Serialize for FlashMessage

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fn serialize<__S>(&self, __serializer: __S) -> Result<__S::Ok, __S::Error>
where __S: Serializer,

Serialize this value into the given Serde serializer. Read more

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unsafe fn clone_to_uninit(&self, dest: *mut u8)

🔬This is a nightly-only experimental API. (clone_to_uninit)
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