Add hashes

JuliaSymbolics · Feb 21, 2024 · b0d61aa · b0d61aa
1 parent d04c8cf
commit b0d61aa
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diff --git a/src/equations.jl b/src/equations.jl
@@ -9,6 +9,7 @@ struct Connection <: Real
     systems
 end
 Connection() = Connection(nothing)
+Base.hash(c::Connection, seed::UInt) = hash(c.systems, (0xc80093537bdc1311 % UInt) ⊻ seed)
 hide_lhs(_::Connection) = true
 
 function connect(sys1, sys2, syss...)

diff --git a/src/struct.jl b/src/struct.jl
@@ -72,6 +72,11 @@ struct Struct <: Real
     v::Vector{StructElement}
 end
 
+function Base.hash(x::Struct, seed::UInt)
+    h1 = hash(juliatype(x), seed)
+    h2 = foldr(hash, getelements(x), init = h1)
+    h2 ⊻ (0x0e39036b7de2101a % UInt)
+end
 
 """
     symstruct(T)