Struct ouroboros_examples::ouroboros_impl_chain::ChainTryBuilder

pub(crate) struct ChainTryBuilder<BBuilder_: for<'this> FnOnce(&'this i32) -> Result<&'this i32, Error_>, CBuilder_: for<'this> FnOnce(&'this &'this i32) -> Result<&'this i32, Error_>, Error_> {
    pub(crate) a: i32,
    pub(crate) b_builder: BBuilder_,
    pub(crate) c_builder: CBuilder_,
}

A more verbose but stable way to construct self-referencing structs. It is comparable to using StructName { field1: value1, field2: value2 } rather than StructName::new(value1, value2). This has the dual benefit of makin your code both easier to refactor and more readable. Call try_build() or try_build_or_recover() to construct the actual struct. The fields of this struct should be used as follows:

Field	Suggested Use
a	Directly pass in the value this field should contain
b_builder	Use a function or closure: (a: &_) -> Result<b: _, Error_>
c_builder	Use a function or closure: (b: &_) -> Result<c: _, Error_>

Fields

a: i32

b_builder: BBuilder_

c_builder: CBuilder_

Implementations

impl<BBuilder_: for<'this> FnOnce(&'this i32) -> Result<&'this i32, Error_>, CBuilder_: for<'this> FnOnce(&'this &'this i32) -> Result<&'this i32, Error_>, Error_> ChainTryBuilder<BBuilder_, CBuilder_, Error_>

pub(crate) fn try_build(self) -> Result<Chain, Error_>

Calls Chain::try_new() using the provided values. This is preferrable over calling try_new() directly for the reasons listed above.

pub(crate) fn try_build_or_recover(self) -> Result<Chain, (Error_, Heads)>

Calls Chain::try_new_or_recover() using the provided values. This is preferrable over calling try_new_or_recover() directly for the reasons listed above.