Struct google_spanner1::Expr

pub struct Expr {
    pub title: Option<String>,
    pub expression: Option<String>,
    pub description: Option<String>,
    pub location: Option<String>,
}

Represents an expression text. Example:

title: "User account presence"
description: "Determines whether the request has a user account"
expression: "size(request.user) > 0"

This type is not used in any activity, and only used as part of another schema.

Fields

title: Option<String>

An optional title for the expression, i.e. a short string describing its purpose. This can be used e.g. in UIs which allow to enter the expression.

expression: Option<String>

Textual representation of an expression in Common Expression Language syntax.

The application context of the containing message determines which well-known feature set of CEL is supported.

description: Option<String>

An optional description of the expression. This is a longer text which describes the expression, e.g. when hovered over it in a UI.

location: Option<String>

An optional string indicating the location of the expression for error reporting, e.g. a file name and a position in the file.

Trait Implementations

impl Clone for Expr

fn clone(&self) -> Expr

Returns a copy of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for Expr

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl Default for Expr

fn default() -> Expr

Returns the “default value” for a type.

impl<'de> Deserialize<'de> for Expr

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

Deserialize this value from the given Serde deserializer.

impl Serialize for Expr

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

Serialize this value into the given Serde serializer.

impl Part for Expr