Module filter 

Composable update filters.

Modules

filters

Convenience constructors for all built-in filters.

Structs

And

Combines two filters with logical AND: passes only if both filters pass.

CallbackDataFilter

Passes when the callback query data exactly equals data.

CallbackDataPrefixFilter

Passes when the callback query data starts with prefix.

CallbackQueryFilter

Passes only for CallbackQuery updates. Passes only for CallbackQuery updates.

CommandFilter

Passes when the message is a bot command matching command.

EditedMessageFilter

Passes only for EditedMessage updates. Passes only for EditedMessage updates.

FnFilter

Wraps a plain function or closure as a Filter.

GroupFilter

Passes only for messages in group and supergroup chats.

InlineQueryFilter

Passes only for InlineQuery updates. Passes only for InlineQuery updates.

MessageFilter

Passes only for Message updates.

Not

Inverts a filter: passes when the inner filter fails, and vice versa.

Or

Combines two filters with logical OR: passes if either filter (or both) pass.

PrivateChatFilter

Passes only for messages in private chats.

TextContainsFilter

Passes when the message text contains needle as a substring.

TextFilter

Passes when the message text exactly equals text.

Traits

Filter

A predicate evaluated against an incoming Context.

FilterExt

Extension methods for composing Filter values.

Functions

filter_fn

Creates a Filter from any closure with signature fn(&Context) -> bool.