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// Code generated by software.amazon.smithy.rust.codegen.smithy-rs. DO NOT EDIT.

/// <p>Represents the data for an attribute.</p>
/// <p>Each attribute value is described as a name-value pair. The name is the data type, and the value is the data itself.</p>
/// <p>For more information, see <a href="https://docs.aws.amazon.com/amazondynamodb/latest/developerguide/HowItWorks.NamingRulesDataTypes.html#HowItWorks.DataTypes">Data Types</a> in the <i>Amazon DynamoDB Developer Guide</i>.</p>
#[non_exhaustive]
#[derive(::std::clone::Clone, ::std::cmp::PartialEq, ::std::fmt::Debug)]
pub enum AttributeValue {
    /// <p>An attribute of type Binary. For example:</p>
    /// <p><code>"B": "dGhpcyB0ZXh0IGlzIGJhc2U2NC1lbmNvZGVk"</code></p>
    B(::aws_smithy_types::Blob),
    /// <p>An attribute of type Boolean. For example:</p>
    /// <p><code>"BOOL": true</code></p>
    Bool(bool),
    /// <p>An attribute of type Binary Set. For example:</p>
    /// <p><code>"BS": \["U3Vubnk=", "UmFpbnk=", "U25vd3k="\]</code></p>
    Bs(::std::vec::Vec<::aws_smithy_types::Blob>),
    /// <p>An attribute of type List. For example:</p>
    /// <p><code>"L": \[ {"S": "Cookies"} , {"S": "Coffee"}, {"N": "3.14159"}\]</code></p>
    L(::std::vec::Vec<crate::types::AttributeValue>),
    /// <p>An attribute of type Map. For example:</p>
    /// <p><code>"M": {"Name": {"S": "Joe"}, "Age": {"N": "35"}}</code></p>
    M(::std::collections::HashMap<::std::string::String, crate::types::AttributeValue>),
    /// <p>An attribute of type Number. For example:</p>
    /// <p><code>"N": "123.45"</code></p>
    /// <p>Numbers are sent across the network to DynamoDB as strings, to maximize compatibility across languages and libraries. However, DynamoDB treats them as number type attributes for mathematical operations.</p>
    N(::std::string::String),
    /// <p>An attribute of type Number Set. For example:</p>
    /// <p><code>"NS": \["42.2", "-19", "7.5", "3.14"\]</code></p>
    /// <p>Numbers are sent across the network to DynamoDB as strings, to maximize compatibility across languages and libraries. However, DynamoDB treats them as number type attributes for mathematical operations.</p>
    Ns(::std::vec::Vec<::std::string::String>),
    /// <p>An attribute of type Null. For example:</p>
    /// <p><code>"NULL": true</code></p>
    Null(bool),
    /// <p>An attribute of type String. For example:</p>
    /// <p><code>"S": "Hello"</code></p>
    S(::std::string::String),
    /// <p>An attribute of type String Set. For example:</p>
    /// <p><code>"SS": \["Giraffe", "Hippo" ,"Zebra"\]</code></p>
    Ss(::std::vec::Vec<::std::string::String>),
    /// The `Unknown` variant represents cases where new union variant was received. Consider upgrading the SDK to the latest available version.
    /// An unknown enum variant
    ///
    /// _Note: If you encounter this error, consider upgrading your SDK to the latest version._
    /// The `Unknown` variant represents cases where the server sent a value that wasn't recognized
    /// by the client. This can happen when the server adds new functionality, but the client has not been updated.
    /// To investigate this, consider turning on debug logging to print the raw HTTP response.
    #[non_exhaustive]
    Unknown,
}
impl AttributeValue {
    /// Tries to convert the enum instance into [`B`](crate::types::AttributeValue::B), extracting the inner [`Blob`](::aws_smithy_types::Blob).
    /// Returns `Err(&Self)` if it can't be converted.
    pub fn as_b(&self) -> ::std::result::Result<&::aws_smithy_types::Blob, &Self> {
        if let AttributeValue::B(val) = &self {
            ::std::result::Result::Ok(val)
        } else {
            ::std::result::Result::Err(self)
        }
    }
    /// Returns true if this is a [`B`](crate::types::AttributeValue::B).
    pub fn is_b(&self) -> bool {
        self.as_b().is_ok()
    }
    /// Tries to convert the enum instance into [`Bool`](crate::types::AttributeValue::Bool), extracting the inner [`bool`](bool).
    /// Returns `Err(&Self)` if it can't be converted.
    pub fn as_bool(&self) -> ::std::result::Result<&bool, &Self> {
        if let AttributeValue::Bool(val) = &self {
            ::std::result::Result::Ok(val)
        } else {
            ::std::result::Result::Err(self)
        }
    }
    /// Returns true if this is a [`Bool`](crate::types::AttributeValue::Bool).
    pub fn is_bool(&self) -> bool {
        self.as_bool().is_ok()
    }
    /// Tries to convert the enum instance into [`Bs`](crate::types::AttributeValue::Bs), extracting the inner [`Vec`](::std::vec::Vec).
    /// Returns `Err(&Self)` if it can't be converted.
    pub fn as_bs(&self) -> ::std::result::Result<&::std::vec::Vec<::aws_smithy_types::Blob>, &Self> {
        if let AttributeValue::Bs(val) = &self {
            ::std::result::Result::Ok(val)
        } else {
            ::std::result::Result::Err(self)
        }
    }
    /// Returns true if this is a [`Bs`](crate::types::AttributeValue::Bs).
    pub fn is_bs(&self) -> bool {
        self.as_bs().is_ok()
    }
    /// Tries to convert the enum instance into [`L`](crate::types::AttributeValue::L), extracting the inner [`Vec`](::std::vec::Vec).
    /// Returns `Err(&Self)` if it can't be converted.
    pub fn as_l(&self) -> ::std::result::Result<&::std::vec::Vec<crate::types::AttributeValue>, &Self> {
        if let AttributeValue::L(val) = &self {
            ::std::result::Result::Ok(val)
        } else {
            ::std::result::Result::Err(self)
        }
    }
    /// Returns true if this is a [`L`](crate::types::AttributeValue::L).
    pub fn is_l(&self) -> bool {
        self.as_l().is_ok()
    }
    /// Tries to convert the enum instance into [`M`](crate::types::AttributeValue::M), extracting the inner [`HashMap`](::std::collections::HashMap).
    /// Returns `Err(&Self)` if it can't be converted.
    pub fn as_m(&self) -> ::std::result::Result<&::std::collections::HashMap<::std::string::String, crate::types::AttributeValue>, &Self> {
        if let AttributeValue::M(val) = &self {
            ::std::result::Result::Ok(val)
        } else {
            ::std::result::Result::Err(self)
        }
    }
    /// Returns true if this is a [`M`](crate::types::AttributeValue::M).
    pub fn is_m(&self) -> bool {
        self.as_m().is_ok()
    }
    /// Tries to convert the enum instance into [`N`](crate::types::AttributeValue::N), extracting the inner [`String`](::std::string::String).
    /// Returns `Err(&Self)` if it can't be converted.
    pub fn as_n(&self) -> ::std::result::Result<&::std::string::String, &Self> {
        if let AttributeValue::N(val) = &self {
            ::std::result::Result::Ok(val)
        } else {
            ::std::result::Result::Err(self)
        }
    }
    /// Returns true if this is a [`N`](crate::types::AttributeValue::N).
    pub fn is_n(&self) -> bool {
        self.as_n().is_ok()
    }
    /// Tries to convert the enum instance into [`Ns`](crate::types::AttributeValue::Ns), extracting the inner [`Vec`](::std::vec::Vec).
    /// Returns `Err(&Self)` if it can't be converted.
    pub fn as_ns(&self) -> ::std::result::Result<&::std::vec::Vec<::std::string::String>, &Self> {
        if let AttributeValue::Ns(val) = &self {
            ::std::result::Result::Ok(val)
        } else {
            ::std::result::Result::Err(self)
        }
    }
    /// Returns true if this is a [`Ns`](crate::types::AttributeValue::Ns).
    pub fn is_ns(&self) -> bool {
        self.as_ns().is_ok()
    }
    /// Tries to convert the enum instance into [`Null`](crate::types::AttributeValue::Null), extracting the inner [`bool`](bool).
    /// Returns `Err(&Self)` if it can't be converted.
    pub fn as_null(&self) -> ::std::result::Result<&bool, &Self> {
        if let AttributeValue::Null(val) = &self {
            ::std::result::Result::Ok(val)
        } else {
            ::std::result::Result::Err(self)
        }
    }
    /// Returns true if this is a [`Null`](crate::types::AttributeValue::Null).
    pub fn is_null(&self) -> bool {
        self.as_null().is_ok()
    }
    /// Tries to convert the enum instance into [`S`](crate::types::AttributeValue::S), extracting the inner [`String`](::std::string::String).
    /// Returns `Err(&Self)` if it can't be converted.
    pub fn as_s(&self) -> ::std::result::Result<&::std::string::String, &Self> {
        if let AttributeValue::S(val) = &self {
            ::std::result::Result::Ok(val)
        } else {
            ::std::result::Result::Err(self)
        }
    }
    /// Returns true if this is a [`S`](crate::types::AttributeValue::S).
    pub fn is_s(&self) -> bool {
        self.as_s().is_ok()
    }
    /// Tries to convert the enum instance into [`Ss`](crate::types::AttributeValue::Ss), extracting the inner [`Vec`](::std::vec::Vec).
    /// Returns `Err(&Self)` if it can't be converted.
    pub fn as_ss(&self) -> ::std::result::Result<&::std::vec::Vec<::std::string::String>, &Self> {
        if let AttributeValue::Ss(val) = &self {
            ::std::result::Result::Ok(val)
        } else {
            ::std::result::Result::Err(self)
        }
    }
    /// Returns true if this is a [`Ss`](crate::types::AttributeValue::Ss).
    pub fn is_ss(&self) -> bool {
        self.as_ss().is_ok()
    }
    /// Returns true if the enum instance is the `Unknown` variant.
    pub fn is_unknown(&self) -> bool {
        matches!(self, Self::Unknown)
    }
}