`KernelDiagram.rpc`🔗

Definition

The RPC method for displaying kernel diagrams.

def

KernelDiagram.rpc (props : ProofWidgets.PanelWidgetProps) :
  Lean.Server.RequestM (Lean.Server.RequestTask ProofWidgets.Html)
KernelDiagram.rpc
  (props :
    ProofWidgets.PanelWidgetProps) :
  Lean.Server.RequestM
    (Lean.Server.RequestTask
      ProofWidgets.Html)

Code

open scoped Jsx in
@[server_rpc_method]
def rpc (props : PanelWidgetProps) : RequestM (RequestTask Html) :=
  RequestM.asTask do
    let html : Option Html ← (do
      if props.goals.isEmpty then
        return none
      let some g := props.goals[0]? | unreachable!
      g.ctx.val.runMetaM {} do
        g.mvarId.withContext do
          let type ← g.mvarId.getType
          kernelEqM? type)
    match html with
    | none => return <span>No Kernel Diagram.</span>
    | some inner => return inner

Actions: Source · Open Issue

Meaning last changed in v4.34.0-rc2-1-g439785b (2026-08-23).

Self-contained, with its dependencies inlined and proofs replaced by sorry: download the raw file · open it in the Lean web editor.

Dependency graph

Audit surface: 20 project declarations, 330 external constants

✓ Proved: no sorry anywhere in its closure

This is the tool's own reading of one build's recorded axioms, and it is not robust against an author who wants it to pass. Checking meant to be relied on should go through Comparator, which replays the proof through the kernel from an export against an explicit list of permitted axioms.

KernelDiagram.rpc🔗

`KernelDiagram.rpc`🔗