SYSTEM isa::await_suspend Scheduler Worker Worker Worker Worker Job Queue Job Queue Job Queue Job coroutine_handle Job::Job *isa == initial_suspend_awaitable get_return_object token<> isa Initial_suspend 4546 isa::await_suspend Scheduler Worker Worker Worker Worker Job Queue Job Queue Job Queue Job coroutine_handle Job::Job *isa == initial_suspend_awaitable get_return_object token<> isa Initial_suspend together. 4647 isa::await_suspend Scheduler Worker Worker Worker Worker Job Queue Job Queue Job Queue Job Job::Job *isa == initial_suspend_awaitable get_return_object isa Initial_suspend

returns its square root: julia> sqrt_second(x) = try sqrt(x[2]) catch y if isa(y, DomainError) sqrt(complex(x[2], 0)) elseif isa(y, BoundsError) sqrt(x) end end sqrt_second (generic function with 1 Tuple{AbstractString, Vararg{Int64}} julia> isa(("1",), mytupletype) true julia> isa(("1",1), mytupletype) true julia> isa(("1",1,2), mytupletype) true julia> isa(("1",1,2,3.0), mytupletype) false Moreover singletons. Formally, if 1. T is an immutable composite type (i.e. defined with struct), 2. a isa T && b isa T implies a === b, then T is a singleton type.2 Base.issingletontype can be used to check if

returns its square root: julia> sqrt_second(x) = try sqrt(x[2]) catch y if isa(y, DomainError) sqrt(complex(x[2], 0)) elseif isa(y, BoundsError) sqrt(x) end end sqrt_second (generic function with 1 Tuple{AbstractString, Vararg{Int64}} julia> isa(("1",), mytupletype) true julia> isa(("1",1), mytupletype) true julia> isa(("1",1,2), mytupletype) true julia> isa(("1",1,2,3.0), mytupletype) false Moreover singletons. Formally, if 1. T is an immutable composite type (i.e. defined with struct), 2. a isa T && b isa T implies a === b, then T is a singleton type.2 Base.issingletontype can be used to check if

returns its square root: julia> sqrt_second(x) = try sqrt(x[2]) catch y if isa(y, DomainError) sqrt(complex(x[2], 0)) elseif isa(y, BoundsError) sqrt(x) end end sqrt_second (generic function with 1 Tuple{AbstractString, Vararg{Int64}} julia> isa(("1",), mytupletype) true julia> isa(("1",1), mytupletype) true julia> isa(("1",1,2), mytupletype) true julia> isa(("1",1,2,3.0), mytupletype) false Moreover singletons. Formally, if 1. T is an immutable composite type (i.e. defined with struct), 2. a isa T && b isa T implies a === b, then T is a singleton type.2 Base.issingletontype can be used to check if

returns its square root: julia> sqrt_second(x) = try sqrt(x[2]) catch y if isa(y, DomainError) sqrt(complex(x[2], 0)) elseif isa(y, BoundsError) sqrt(x) end end sqrt_second (generic function with 1 Tuple{AbstractString, Vararg{Int64}} julia> isa(("1",), mytupletype) true julia> isa(("1",1), mytupletype) true julia> isa(("1",1,2), mytupletype) true julia> isa(("1",1,2,3.0), mytupletype) false Moreover singletons. Formally, if 1. T is an immutable composite type (i.e. defined with struct), 2. a isa T && b isa T implies a === b, then T is a singleton type.2 Base.issingletontype can be used to check if

returns its square root: julia> sqrt_second(x) = try sqrt(x[2]) catch y if isa(y, DomainError) sqrt(complex(x[2], 0)) elseif isa(y, BoundsError) sqrt(x) end end sqrt_second (generic function with 1 Tuple{AbstractString, Vararg{Int64}} julia> isa(("1",), mytupletype) true julia> isa(("1",1), mytupletype) true julia> isa(("1",1,2), mytupletype) true julia> isa(("1",1,2,3.0), mytupletype) false Moreover singletons. Formally, if 1. T is an immutable composite type (i.e. defined with struct), 2. a isa T && b isa T implies a === b, then T is a singleton type.2 Base.issingletontype can be used to check if

returns its square root: julia> sqrt_second(x) = try sqrt(x[2]) catch y if isa(y, DomainError) sqrt(complex(x[2], 0)) elseif isa(y, BoundsError) sqrt(x) end end sqrt_second (generic function with 1 Tuple{AbstractString, Vararg{Int64}} julia> isa(("1",), mytupletype) true julia> isa(("1",1), mytupletype) true julia> isa(("1",1,2), mytupletype) true julia> isa(("1",1,2,3.0), mytupletype) false Moreover singletons. Formally, if 1. T is an immutable composite type (i.e. defined with struct), 2. a isa T && b isa T implies a === b, then T is a singleton type.2 Base.issingletontype can be used to check if

returns its square root: julia> sqrt_second(x) = try sqrt(x[2]) catch y if isa(y, DomainError) sqrt(complex(x[2], 0)) elseif isa(y, BoundsError) sqrt(x) end end sqrt_second (generic function with 1 Tuple{AbstractString, Vararg{Int64}} julia> isa(("1",), mytupletype) true julia> isa(("1",1), mytupletype) true julia> isa(("1",1,2), mytupletype) true julia> isa(("1",1,2,3.0), mytupletype) false Moreover singletons. Formally, if 1. T is an immutable composite type (i.e. defined with struct), 2. a isa T && b isa T implies a === b, then T is a singleton type.2 Base.issingletontype can be used to check if

returns its square root: julia> sqrt_second(x) = try sqrt(x[2]) catch y if isa(y, DomainError) sqrt(complex(x[2], 0)) elseif isa(y, BoundsError) sqrt(x) end end sqrt_second (generic function with 1 Tuple{AbstractString, Vararg{Int64}} julia> isa(("1",), mytupletype) true julia> isa(("1",1), mytupletype) true julia> isa(("1",1,2), mytupletype) true julia> isa(("1",1,2,3.0), mytupletype) false Moreover singletons. Formally, if 1. T is an immutable composite type (i.e. defined with struct), 2. a isa T && b isa T implies a === b, then T is a singleton type.2 Base.issingletontype can be used to check if

returns its square root: julia> sqrt_second(x) = try sqrt(x[2]) catch y if isa(y, DomainError) sqrt(complex(x[2], 0)) elseif isa(y, BoundsError) sqrt(x) end end sqrt_second (generic function with 1 Tuple{AbstractString, Vararg{Int64}} julia> isa(("1",), mytupletype) true julia> isa(("1",1), mytupletype) true julia> isa(("1",1,2), mytupletype) true julia> isa(("1",1,2,3.0), mytupletype) false Moreover singletons. Formally, if 1. T is an immutable composite type (i.e. defined with struct), 2. a isa T && b isa T implies a === b, then T is a singleton type.2 Base.issingletontype can be used to check if