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genkuroki/inner constructors.ipynb

Last active May 17, 2021 16:49
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inner constructors.ipynb
{
"cells": [
{
"metadata": {
"trusted": true
},
"cell_type": "code",
"source": "module A\n\nBase.@kwdef struct Foo{T<:AbstractFloat}\n a::T = 1.0\n b::T = 2.0\nend\n\nend",
"execution_count": 1,
"outputs": [
{
"output_type": "execute_result",
"execution_count": 1,
"data": {
"text/plain": "Main.A"
},
"metadata": {}
}
]
},
{
"metadata": {
"trusted": true
},
"cell_type": "code",
"source": "A.Foo()",
"execution_count": 2,
"outputs": [
{
"output_type": "execute_result",
"execution_count": 2,
"data": {
"text/plain": "Main.A.Foo{Float64}(1.0, 2.0)"
},
"metadata": {}
}
]
},
{
"metadata": {
"trusted": true
},
"cell_type": "code",
"source": "A.Foo(1.0, 2.0)",
"execution_count": 3,
"outputs": [
{
"output_type": "execute_result",
"execution_count": 3,
"data": {
"text/plain": "Main.A.Foo{Float64}(1.0, 2.0)"
},
"metadata": {}
}
]
},
{
"metadata": {
"trusted": true
},
"cell_type": "code",
"source": "A.Foo{Float64}(1.0, 2)",
"execution_count": 4,
"outputs": [
{
"output_type": "execute_result",
"execution_count": 4,
"data": {
"text/plain": "Main.A.Foo{Float64}(1.0, 2.0)"
},
"metadata": {}
}
]
},
{
"metadata": {
"trusted": true
},
"cell_type": "code",
"source": "A.Foo(1.0, 2)",
"execution_count": 5,
"outputs": [
{
"output_type": "error",
"ename": "LoadError",
"evalue": "MethodError: no method matching Main.A.Foo(::Float64, ::Int64)\n\u001b[0mClosest candidates are:\n\u001b[0m Main.A.Foo(::T, \u001b[91m::T\u001b[39m) where T<:AbstractFloat at In[1]:4",
"traceback": [
"MethodError: no method matching Main.A.Foo(::Float64, ::Int64)\n\u001b[0mClosest candidates are:\n\u001b[0m Main.A.Foo(::T, \u001b[91m::T\u001b[39m) where T<:AbstractFloat at In[1]:4",
"",
"Stacktrace:",
" [1] top-level scope",
" @ In[5]:1",
" [2] eval",
" @ .\\boot.jl:369 [inlined]",
" [3] include_string(mapexpr::typeof(REPL.softscope), mod::Module, code::String, filename::String)",
" @ Base .\\loading.jl:1097"
]
}
]
},
{
"metadata": {
"trusted": true
},
"cell_type": "code",
"source": "A.Foo(1f0, Int32(2))",
"execution_count": 6,
"outputs": [
{
"output_type": "error",
"ename": "LoadError",
"evalue": "MethodError: no method matching Main.A.Foo(::Float32, ::Int32)\n\u001b[0mClosest candidates are:\n\u001b[0m Main.A.Foo(::T, \u001b[91m::T\u001b[39m) where T<:AbstractFloat at In[1]:4",
"traceback": [
"MethodError: no method matching Main.A.Foo(::Float32, ::Int32)\n\u001b[0mClosest candidates are:\n\u001b[0m Main.A.Foo(::T, \u001b[91m::T\u001b[39m) where T<:AbstractFloat at In[1]:4",
"",
"Stacktrace:",
" [1] top-level scope",
" @ In[6]:1",
" [2] eval",
" @ .\\boot.jl:369 [inlined]",
" [3] include_string(mapexpr::typeof(REPL.softscope), mod::Module, code::String, filename::String)",
" @ Base .\\loading.jl:1097"
]
}
]
},
{
"metadata": {
"trusted": true
},
"cell_type": "code",
"source": "module A\n\nBase.@kwdef struct Foo{T<:AbstractFloat}\n a::T = 1\n b::T = 2\n Foo{T}(A, B) where T<:AbstractFloat = new{T}(T.((A, B))...) \n function Foo(A, B)\n a, b = float.(promote(A, B))\n new{typeof(a)}(a, b)\n end\nend\n\nend",
"execution_count": 7,
"outputs": [
{
"output_type": "stream",
"text": "WARNING: replacing module A.\n",
"name": "stderr"
},
{
"output_type": "execute_result",
"execution_count": 7,
"data": {
"text/plain": "Main.A"
},
"metadata": {}
}
]
},
{
"metadata": {
"trusted": true
},
"cell_type": "code",
"source": "A.Foo()",
"execution_count": 8,
"outputs": [
{
"output_type": "execute_result",
"execution_count": 8,
"data": {
"text/plain": "Main.A.Foo{Float64}(1.0, 2.0)"
},
"metadata": {}
}
]
},
{
"metadata": {
"trusted": true
},
"cell_type": "code",
"source": "A.Foo(1.0, 2.0)",
"execution_count": 9,
"outputs": [
{
"output_type": "execute_result",
"execution_count": 9,
"data": {
"text/plain": "Main.A.Foo{Float64}(1.0, 2.0)"
},
"metadata": {}
}
]
},
{
"metadata": {
"trusted": true
},
"cell_type": "code",
"source": "A.Foo{Float64}(1., 2)",
"execution_count": 10,
"outputs": [
{
"output_type": "execute_result",
"execution_count": 10,
"data": {
"text/plain": "Main.A.Foo{Float64}(1.0, 2.0)"
},
"metadata": {}
}
]
},
{
"metadata": {
"trusted": true
},
"cell_type": "code",
"source": "A.Foo(1.0, 2)",
"execution_count": 11,
"outputs": [
{
"output_type": "execute_result",
"execution_count": 11,
"data": {
"text/plain": "Main.A.Foo{Float64}(1.0, 2.0)"
},
"metadata": {}
}
]
},
{
"metadata": {
"trusted": true
},
"cell_type": "code",
"source": "A.Foo(1f0, Int32(2))",
"execution_count": 12,
"outputs": [
{
"output_type": "execute_result",
"execution_count": 12,
"data": {
"text/plain": "Main.A.Foo{Float32}(1.0f0, 2.0f0)"
},
"metadata": {}
}
]
},
{
"metadata": {
"trusted": true
},
"cell_type": "code",
"source": "module A\n\nBase.@kwdef mutable struct Foo{T<:AbstractFloat}\n a::T = 1\n b::T = 2\n Foo{T}(A, B) where T<:AbstractFloat = new{T}(T.((A, B))...) \n function Foo(A, B)\n a, b = float.(promote(A, B))\n new{typeof(a)}(a, b)\n end\n Foo{T}(::UndefInitializer) where T<:AbstractFloat = new{T}()\nend\nFoo(::UndefInitializer) = Foo{Float64}(undef)\n\nend",
"execution_count": 13,
"outputs": [
{
"output_type": "stream",
"text": "WARNING: replacing module A.\n",
"name": "stderr"
},
{
"output_type": "execute_result",
"execution_count": 13,
"data": {
"text/plain": "Main.A"
},
"metadata": {}
}
]
},
{
"metadata": {
"trusted": true
},
"cell_type": "code",
"source": "foo = A.Foo{Float64}(undef)",
"execution_count": 14,
"outputs": [
{
"output_type": "execute_result",
"execution_count": 14,
"data": {
"text/plain": "Main.A.Foo{Float64}(2.40312305e-315, 1.0e-323)"
},
"metadata": {}
}
]
},
{
"metadata": {
"trusted": true
},
"cell_type": "code",
"source": "foo.a, foo.b = 1, 2\nfoo",
"execution_count": 15,
"outputs": [
{
"output_type": "execute_result",
"execution_count": 15,
"data": {
"text/plain": "Main.A.Foo{Float64}(1.0, 2.0)"
},
"metadata": {}
}
]
},
{
"metadata": {
"trusted": true
},
"cell_type": "code",
"source": "bar = A.Foo(undef)",
"execution_count": 16,
"outputs": [
{
"output_type": "execute_result",
"execution_count": 16,
"data": {
"text/plain": "Main.A.Foo{Float64}(2.607006273e-315, 1.075369206e-314)"
},
"metadata": {}
}
]
},
{
"metadata": {
"trusted": true
},
"cell_type": "code",
"source": "bar.a, bar.b = 1, 2\nbar",
"execution_count": 17,
"outputs": [
{
"output_type": "execute_result",
"execution_count": 17,
"data": {
"text/plain": "Main.A.Foo{Float64}(1.0, 2.0)"
},
"metadata": {}
}
]
},
{
"metadata": {
"trusted": true
},
"cell_type": "code",
"source": "",
"execution_count": null,
"outputs": []
}
],
"metadata": {
"kernelspec": {
"name": "julia-1.7-depwarn-o3",
"display_name": "Julia 1.7.0-DEV depwarn -O3",
"language": "julia"
},
"toc": {
"nav_menu": {},
"number_sections": true,
"sideBar": true,
"skip_h1_title": false,
"base_numbering": 1,
"title_cell": "Table of Contents",
"title_sidebar": "Contents",
"toc_cell": false,
"toc_position": {},
"toc_section_display": true,
"toc_window_display": false
},
"language_info": {
"file_extension": ".jl",
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"mimetype": "application/julia",
"version": "1.7.0"
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"@webio": {
"lastKernelId": null,
"lastCommId": null
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"gist": {
"id": "8d67306f726bef5fbcf83e925b54f6d3",
"data": {
"description": "inner constructors",
"public": true
}
},
"_draft": {
"nbviewer_url": "https://gist.github.com/8d67306f726bef5fbcf83e925b54f6d3"
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},
"nbformat": 4,
"nbformat_minor": 5
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