stack = [env, env, …] then we have: roots = reduce(merge, reverse([roots, roots, …])) graph = reduce(merge, reverse([graph, graph, …])) paths = reduce(merge, reverse([paths, paths, …])) The subscripted roots correspond to the subscripted environments, env, contained in stack. The reverse is present because merge favors the last argument rather than first when there are collisions between keys in its argument compilers do. Avaria�on on this approach, which avoids the appearance of type instability is to merge the Int and BigInt types into a single hybrid integer type, that internally changes representa�on

Base.@kwdef can now be used for parametric structs, and for structs with supertypes (#29316). • merge(::NamedTuple, ::NamedTuple...) can now be used with more than 2 NamedTuples (#29259). • New ncodeunits(c::Char) stack = [env, env, …] then we have: roots = reduce(merge, reverse([roots, roots, …])) graph = reduce(merge, reverse([graph, graph, …])) paths = reduce(merge, reverse([paths, paths, …])) The subscripted roots correspond to the subscripted environments, env, contained in stack. The reverse is present because merge favors the last argument rather than first when there are collisions between keys in its argument

Base.@kwdef can now be used for parametric structs, and for structs with supertypes (#29316). • merge(::NamedTuple, ::NamedTuple...) can now be used with more than 2 NamedTuples (#29259). • New ncodeunits(c::Char) stack = [env, env, …] then we have: roots = reduce(merge, reverse([roots, roots, …])) graph = reduce(merge, reverse([graph, graph, …])) paths = reduce(merge, reverse([paths, paths, …])) The subscripted roots correspond to the subscripted environments, env, contained in stack. The reverse is present because merge favors the last argument rather than first when there are collisions between keys in its argument

stack = [env, env, …] then we have: roots = reduce(merge, reverse([roots, roots, …])) graph = reduce(merge, reverse([graph, graph, …])) paths = reduce(merge, reverse([paths, paths, …])) The subscripted roots correspond to the subscripted environments, env, contained in stack. The reverse is present because merge favors the last argument rather than first when there are collisions between keys in its argument compilers do. Avaria�on on this approach, which avoids the appearance of type instability is to merge the Int and BigInt types into a single hybrid integer type, that internally changes representa�on

lasses = [WebConfig::class])) class WebIntegrationTests { // class body... } If you need to merge or override the configuration for a given level of the context hierarchy within a test class hierarchy @Sql declarations. If @SqlMergeMode is not declared on a test class or test method, the OVERRIDE merge mode will be used by default. With the OVERRIDE mode, method-level @Sql declarations will effectively @SqlMergeMode(MERGE) ① class UserTests { @Test @Sql("/user-test-data-001.sql") void standardUserProfile() { // run code that relies on test data set 001 } } ① Set the @Sql merge mode to

获取连结； 2. 进⼊接收循环； 3. 链接读取超时，进⼊超时分⽀； 4. 接收事件完成； 5. 离开超时分⽀； 6. 析构 t1, t2 Future； Stream::merge ⽽不是 select! ⽤户必须感知当 Future 被取消时如何进⾏清 理，因此我们尝试将 select 的所有分⽀整理 成 Stream 类型，必须在命中第⼀个分⽀的线 程决定其余分⽀的清理流程，或者接受 Future::try_race Stream::merge Return early on error Future::try_join Future::race Stream::merge Handle all items Discard some items Response starts on first item Stream::merge Future::race Response Stream::merge + Stream::last pub trait Merge { type Item; type Stream: Stream; fn merge(self) �� Self��Stream; } Stream::merge ⽽不是 select! 使⽤ Stream::merge 实现超时取消：

[env₁, env₂, …] then we have: roots = reduce(merge, reverse([roots₁, roots₂, …])) graph = reduce(merge, reverse([graph₁, graph₂, …])) paths = reduce(merge, reverse([paths₁, paths₂, …])) The subscripted correspond to the subscripted environments, envᵢ, contained in stack. The reverse is present because merge favors the last argument rather than first when there are collisions between keys in its argument compilers do. A variation on this approach, which avoids the appearance of type instability is to merge the Int and BigInt types into a single hybrid integer type, that internally changes representation

[env₁, env₂, …] then we have: roots = reduce(merge, reverse([roots₁, roots₂, …])) graph = reduce(merge, reverse([graph₁, graph₂, …])) paths = reduce(merge, reverse([paths₁, paths₂, …])) The subscripted correspond to the subscripted environments, envᵢ, contained in stack. The reverse is present because merge favors the last argument rather than first when there are collisions between keys in its argument compilers do. A variation on this approach, which avoids the appearance of type instability is to merge the Int and BigInt types into a single hybrid integer type, that internally changes representation

[env₁, env₂, …] then we have: roots = reduce(merge, reverse([roots₁, roots₂, …])) graph = reduce(merge, reverse([graph₁, graph₂, …])) paths = reduce(merge, reverse([paths₁, paths₂, …])) The subscripted correspond to the subscripted environments, envᵢ, contained in stack. The reverse is present because merge favors the last argument rather than first when there are collisions between keys in its argument compilers do. A variation on this approach, which avoids the appearance of type instability is to merge the Int and BigInt types into a single hybrid integer type, that internally changes representation

supersede merge and merge! with combine argument. They don't have the restriction for combine to be a Function and also provide one-argument method that returns a closure. The old methods of merge and merge [env₁, env₂, …] then we have: roots = reduce(merge, reverse([roots₁, roots₂, …])) graph = reduce(merge, reverse([graph₁, graph₂, …])) paths = reduce(merge, reverse([paths₁, paths₂, …])) The subscripted correspond to the subscripted environments, envᵢ, contained in stack. The reverse is present because merge favors the last argument rather than first when there are collisions between keys in its argument