add docs and mark as public for has_init

Author: SebastianM-C

Project.toml

@@ -1,7 +1,7 @@
 name = "SciMLBase"
 uuid = "0bca4576-84f4-4d90-8ffe-ffa030f20462"
+version = "2.122.0"
 authors = ["Chris Rackauckas <[email protected]> and contributors"]
-version = "2.121.1"
 
 [deps]
 ADTypes = "47edcb42-4c32-4615-8424-f2b9edc5f35b"
@@ -28,6 +28,7 @@ RecursiveArrayTools = "731186ca-8d62-57ce-b412-fbd966d074cd"
 Reexport = "189a3867-3050-52da-a836-e630ba90ab69"
 RuntimeGeneratedFunctions = "7e49a35a-f44a-4d26-94aa-eba1b4ca6b47"
 SciMLOperators = "c0aeaf25-5076-4817-a8d5-81caf7dfa961"
+SciMLPublic = "431bcebd-1456-4ced-9d72-93c2757fff0b"
 SciMLStructures = "53ae85a6-f571-4167-b2af-e1d143709226"
 StaticArraysCore = "1e83bf80-4336-4d27-bf5d-d5a4f845583c"
 Statistics = "10745b16-79ce-11e8-11f9-7d13ad32a3b2"
@@ -82,8 +83,8 @@ ConstructionBase = "1.5"
 Distributed = "1.10"
 Distributions = "0.25"
 DocStringExtensions = "0.9"
-Enzyme = "0.13"
 EnumX = "1"
+Enzyme = "0.13"
 ForwardDiff = "0.10.36, 1"
 FunctionWrappersWrappers = "0.1.3"
 IteratorInterfaceExtensions = "^1"
@@ -110,6 +111,7 @@ Reexport = "1"
 ReverseDiff = "1"
 RuntimeGeneratedFunctions = "0.5.12"
 SciMLOperators = "1.3"
+SciMLPublic = "1.0.0"
 SciMLStructures = "1.1"
 StableRNGs = "1.0"
 StaticArrays = "1.7"

src/SciMLBase.jl

@@ -46,6 +46,8 @@ import SciMLOperators:
 
 @reexport using SciMLOperators
 
+using SciMLPublic: @public
+
 function __solve end
 function __init end
 
@@ -930,4 +932,8 @@ export Clocks, TimeDomain, is_discrete_time_domain, isclock, issolverstepclock,
 
 export ODEAliasSpecifier, LinearAliasSpecifier
 
+# Public traits
+
+@public has_init
+
 end

src/integrator_interface.jl

@@ -569,7 +569,12 @@ end
 
 ### Integrator traits
 
-has_init(i::AbstractSciMLAlgorithm) = false
+"""
+    has_init(a::AbstractSciMLAlgorithm)
+
+Trait for specifying whether the passed algorithm supports `init`.
+"""
+has_init(a::AbstractSciMLAlgorithm) = false
 
 has_reinit(i::DEIntegrator) = false